Exam question 2 · Olympiad: thinking like a machine, Bebras puzzles ★★★
It is given that a knockout competition commences with 32 entrants and that each match eliminates precisely one entrant. Determine the number of matches required.
Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: knockout competition, match, you · What happens: give, commence, eliminate, determine, require · To what, where: It, one entrant, number, matches
This is exam question 2 of lesson 31 «Olympiad: thinking like a machine, Bebras puzzles ★★★» 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 knockout competition commences with 32 entrants and that each match eliminates precisely one entrant.
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 | _ | 8 commences | mark |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 competition | det |
| 6 | knockout | knockout | NOUN | Number=Sing | 7 competition | compound |
| 7 | competition | competition | NOUN | Number=Sing | 8 commences | nsubj |
| 8 | commences | commence | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 given | advcl |
| 9 | with | with | ADP | _ | 11 entrants | case |
| 10 | 32 | 32 | NUM | NumForm=Digit NumType=Card | 11 entrants | nummod |
| 11 | entrants | entrant | NOUN | Number=Plur | 8 commences | obl |
| 12 | and | and | CCONJ | _ | 16 eliminates | cc |
| 13 | that | that | SCONJ | _ | 16 eliminates | mark |
| 14 | each | each | DET | PronType=Tot | 15 match | det |
| 15 | match | match | NOUN | Number=Sing | 16 eliminates | nsubj |
| 16 | eliminates | eliminate | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 8 commences | conj |
| 17 | precisely | precisely | ADV | _ | 18 one | advmod |
| 18 | one | one | NUM | NumForm=Word NumType=Card | 19 entrant | nummod |
| 19 | entrant | entrant | NOUN | Number=Sing | 16 eliminates | obj |
| 20 | . | . | 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 | commence | present | a knockout competition | with 32 entrants | vn begin-55.1-1-1 «NP V PP.subeventuality»: agent=Eventuality with entrant=Subeventuality | ||||
| 3 | eliminate | present | each match | one entrant | vn murder-42.1 «NP V NP»: agent=Agent entrant=Patient |
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: Determine the number of matches required.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Determine | determine | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 number | det |
| 3 | number | number | NOUN | Number=Sing | 1 Determine | obj |
| 4 | of | of | ADP | _ | 5 matches | case |
| 5 | matches | match | NOUN | Number=Plur | 3 number | nmod |
| 6 | required | require | VERB | Tense=Past VerbForm=Part Voice=Pass | 5 matches | acl |
| 7 | . | . | PUNCT | _ | 1 Determine | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | determine | imperative | you not said here | the number of matches | vn discover-84 «NP V NP»: agent=Agent number=Topic | ||||
| 2 | require | participle | matches not said here | vn require-103-1 «NP V NP S_INF»: agent=Theme |
The options
Option 1 · ← Mova's choice · ✓ the right answer
31
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 31 | 31 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 2
64
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 64 | 64 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 3
16
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 16 | 16 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 4
32
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 32 | 32 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
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/31-olympiad-thinking-like-a-machine/e2/