Exam question 4 · Echolocation: how bats see with sound
Ascertain the term by which the rapid succession of calls emitted by a bat immediately prior to the capture of an insect is designated.
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you · What happens: ascertain, emit, designate, capture · To what, where: term, calls, rapid succession, insect
This is exam question 4 of lesson 229 «Echolocation: how bats see with sound» of the biology 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
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Ascertain | ascertain | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 term | det |
| 3 | term | term | NOUN | Number=Sing | 1 Ascertain | obj |
| 4 | by | by | ADP | _ | 5 which | case |
| 5 | which | which | PRON | PronType=Rel | 24 designated | obl |
| 6 | the | the | DET | Definite=Def PronType=Art | 8 succession | det |
| 7 | rapid | rapid | ADJ | Degree=Pos | 8 succession | amod |
| 8 | succession | succession | NOUN | Number=Sing | 24 designated | nsubj:pass |
| 9 | of | of | ADP | _ | 10 calls | case |
| 10 | calls | call | NOUN | Number=Plur | 8 succession | nmod |
| 11 | emitted | emit | VERB | Tense=Past VerbForm=Part Voice=Pass | 10 calls | acl |
| 12 | by | by | ADP | _ | 14 bat | case |
| 13 | a | a | DET | Definite=Ind PronType=Art | 14 bat | det |
| 14 | bat | bat | NOUN | Number=Sing | 11 emitted | obl |
| 15 | immediately | immediately | ADV | _ | 11 emitted | advmod |
| 16 | prior | prior | ADJ | Degree=Pos ExtPos=ADP | 19 capture | case |
| 17 | to | to | ADP | _ | 16 prior | fixed |
| 18 | the | the | DET | Definite=Def PronType=Art | 19 capture | det |
| 19 | capture | capture | NOUN | Number=Sing | 11 emitted | obl |
| 20 | of | of | ADP | _ | 22 insect | case |
| 21 | an | a | DET | Definite=Ind PronType=Art | 22 insect | det |
| 22 | insect | insect | NOUN | Number=Sing | 19 capture | nmod |
| 23 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 24 designated | aux:pass |
| 24 | designated | designate | VERB | Tense=Past VerbForm=Part Voice=Pass | 1 Ascertain | parataxis |
| 25 | . | . | PUNCT | _ | 1 Ascertain | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ascertain | imperative | you not said here | the term | vn discover-84 «NP V NP»: agent=Agent term=Topic | ||||
| 2 | emit | participle | calls not said here | by a bat; prior the capture of a insect; immediately property | vn substance_emission-43.4 «NP V NP»: agent=Source | ||||
| 3 | designate | present · passive | the rapid succession of calls | vn appoint-29.1 «NP V NP»: subject=Theme | |||||
| 4 | capture | a insect | nom capture «act transitive»: of=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.
The options
Option 1 · ← Mova's choice
The birds' dawn chorus
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 birds | det |
| 2 | birds | bird | NOUN | Number=Plur | 5 chorus | nmod:poss |
| 3 | ' | 's | PART | _ | 2 birds | case |
| 4 | dawn | dawn | NOUN | Number=Sing | 5 chorus | compound |
| 5 | chorus | chorus | NOUN | Number=Sing | root | root |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | chorus | the birds | nom chorus «event transitive»: poss=agent |
Option 2
The bee's waggle dance
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 bee | det |
| 2 | bee | bee | NOUN | Number=Sing | 5 dance | nmod:poss |
| 3 | 's | 's | PART | _ | 2 bee | case |
| 4 | waggle | waggle | NOUN | Number=Sing | 5 dance | compound |
| 5 | dance | dance | NOUN | Number=Sing | root | root |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | dance | the bee | nom dance «communication transitive»: poss=agent |
Option 3 · ✓ the right answer
The feeding buzz
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 3 buzz | det |
| 2 | feeding | feeding | NOUN | Number=Sing | 3 buzz | compound |
| 3 | buzz | buzz | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 4
The signature whistle
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 3 whistle | det |
| 2 | signature | signature | NOUN | Number=Sing | 3 whistle | compound |
| 3 | whistle | whistle | NOUN | Number=Sing | 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/biology/229-echolocation-how-bats-see-with-sound/e4/