Exam question 2 · Voice assistants and recommendations
It is given that a viewer, having watched a single video concerning cats, is subsequently presented with numerous similar videos. Identify the principal reason for this.
Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: single video, you · What happens: give, watch, concern, present, identify · To what, where: It, single video, cats, principal reason
This is exam question 2 of lesson 17 «Voice assistants and recommendations» of the AI course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: the test at school.
The question
Sentence 1: It is given that a viewer, having watched a single video concerning cats, is subsequently presented with numerous similar videos.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | It | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 3 given | nsubj:pass |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 given | aux:pass |
| 3 | given | give | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 4 | that | that | SCONJ | _ | 6 viewer | mark |
| 5 | a | a | DET | Definite=Ind PronType=Art | 6 viewer | det |
| 6 | viewer | viewer | NOUN | Number=Sing | 3 given | xcomp |
| 7 | , | , | PUNCT | _ | 9 watched | punct |
| 8 | having | have | AUX | Tense=Pres VerbForm=Part | 9 watched | aux |
| 9 | watched | watch | VERB | Tense=Past VerbForm=Part | 3 given | parataxis |
| 10 | a | a | DET | Definite=Ind PronType=Art | 12 video | det |
| 11 | single | single | ADJ | Degree=Pos | 12 video | amod |
| 12 | video | video | NOUN | Number=Sing | 9 watched | obj |
| 13 | concerning | concern | VERB | VerbForm=Ger | 12 video | acl |
| 14 | cats | cat | NOUN | Number=Plur | 13 concerning | obj |
| 15 | , | , | PUNCT | _ | 18 presented | punct |
| 16 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 18 presented | aux:pass |
| 17 | subsequently | subsequently | ADV | _ | 18 presented | advmod |
| 18 | presented | present | VERB | Tense=Past VerbForm=Part Voice=Pass | 3 given | conj |
| 19 | with | with | ADP | _ | 22 videos | case |
| 20 | numerous | numerous | ADJ | Degree=Pos | 22 videos | amod |
| 21 | similar | similar | ADJ | Degree=Pos | 22 videos | amod |
| 22 | videos | video | NOUN | Number=Plur | 18 presented | obl |
| 23 | . | . | PUNCT | _ | 3 given | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | give | present · passive | It | vn give-13.1-1 «NP V NP»: subject=Theme | |||||
| 2 | watch | gerund · perfect | a single video | vn assessment-34.1 «NP V NP»: agent=Agent video=Theme | |||||
| 3 | concern | gerund | a single video not said here | cats | vn amuse-31.1 «NP V NP»: agent=Stimulus cat=Experiencer | ||||
| 4 | present | present · passive | with numerous similar videos; subsequently property | vn fulfilling-13.4.1 «NP V NP-Fulfilling PP.theme»: with video=Theme |
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.
Sentence 2: Identify the principal reason for this.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Identify | identify | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 4 reason | det |
| 3 | principal | principal | ADJ | Degree=Pos | 4 reason | amod |
| 4 | reason | reason | NOUN | Number=Sing | 1 Identify | obj |
| 5 | for | for | ADP | _ | 6 this | case |
| 6 | this | this | PRON | Number=Sing PronType=Dem | 4 reason | nmod |
| 7 | . | . | PUNCT | _ | 1 Identify | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | identify | imperative | you not said here | the principal reason | for this | vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent reason=Theme |
The options
Option 1 · ← Mova's choice
The site is obliged by law to promote animal content
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 site | det |
| 2 | site | site | NOUN | Number=Sing | 4 obliged | nsubj |
| 3 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 obliged | aux:pass |
| 4 | obliged | oblige | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 5 | by | by | ADP | _ | 6 law | case |
| 6 | law | law | NOUN | Number=Sing | 4 obliged | obl |
| 7 | to | to | PART | _ | 8 promote | mark |
| 8 | promote | promote | VERB | VerbForm=Inf | 4 obliged | advcl |
| 9 | animal | animal | NOUN | Number=Sing | 10 content | compound |
| 10 | content | content | NOUN | Number=Sing | 8 promote | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | oblige | present · passive | law | the site | vn compel-59.1-1 «NP V NP»: agent=Agent subject=Patient | ||||
| 2 | promote | to-infinitive | law not said here | animal content | vn promote-102 «NP V NP»: agent=Agent content=Theme |
Option 2
The viewer's device has been infected by malicious software
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 viewer | det |
| 2 | viewer | viewer | NOUN | Number=Sing | 4 device | nmod:poss |
| 3 | 's | 's | PART | _ | 2 viewer | case |
| 4 | device | device | NOUN | Number=Sing | 7 infected | nsubj:pass |
| 5 | has | have | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 7 infected | aux |
| 6 | been | be | AUX | Tense=Past VerbForm=Part | 7 infected | aux:pass |
| 7 | infected | infect | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 8 | by | by | ADP | _ | 10 software | case |
| 9 | malicious | malicious | ADJ | Degree=Pos | 10 software | amod |
| 10 | software | software | NOUN | Number=Sing | 7 infected | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | infect | present · perfect · passive | malicious software | the viewer's device | vn fill-9.8 «NP V NP»: agent=Theme subject=Destination |
Option 3
Human staff select videos individually for each viewer
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Human | human | ADJ | Degree=Pos | 2 staff | amod |
| 2 | staff | staff | NOUN | Number=Sing | 4 videos | compound |
| 3 | select | select | ADJ | Degree=Pos | 4 videos | amod |
| 4 | videos | video | NOUN | Number=Plur | root | root |
| 5 | individually | individually | ADV | _ | 4 videos | advmod |
| 6 | for | for | ADP | _ | 8 viewer | case |
| 7 | each | each | DET | PronType=Tot | 8 viewer | det |
| 8 | viewer | viewer | NOUN | Number=Sing | 5 individually | obl |
The frames reader finds no event or fact in this sentence.
Option 4 · ✓ the right answer
The recommendation system infers preferences from previous viewing
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 3 system | det |
| 2 | recommendation | recommendation | NOUN | Number=Sing | 3 system | compound |
| 3 | system | system | NOUN | Number=Sing | 4 infers | nsubj |
| 4 | infers | infer | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | preferences | preference | NOUN | Number=Plur | 4 infers | obj |
| 6 | from | from | ADP | _ | 8 viewing | case |
| 7 | previous | previous | ADJ | Degree=Pos | 8 viewing | amod |
| 8 | viewing | viewing | NOUN | Number=Sing | 4 infers | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | infer | present | the recommendation system | preferences | previous viewing | vn deduce-97.2 «NP V NP PP.source»: agent=Agent preference=Theme from viewing=Source |
Text: the tests of Mova's primary school, written for Mova (world/data/school/), as the course runner gave them to the student. Trees: Mova's own parse — the en model on the CPU, when the site is built — not checked by a teacher; they may be wrong. Frames: Mova's frames reader (prag), each text read on its own. Elamur Cosmic License.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/ai/17-voice-assistants-recommendations/e2/