Test 10 · ★★ · How real cats hunt: stalking, waiting and pouncing
Why might cats and mice both be busiest at dawn and dusk?
Mova's choice: option 3 · The right answer: option 2 · wrong ✗ · Who acts: cats · What happens: be
This is test 10 · ★★ of lesson 119 «How real cats hunt: stalking, waiting and pouncing» of the biology course of Mova's primary school. 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 | Why | why | ADV | PronType=Int | 8 busiest | advmod |
| 2 | might | might | AUX | VerbForm=Fin | 8 busiest | aux |
| 3 | cats | cat | NOUN | Number=Plur | 8 busiest | nsubj |
| 4 | and | and | CCONJ | _ | 5 mice | cc |
| 5 | mice | mouse | NOUN | Number=Plur | 3 cats | conj |
| 6 | both | both | ADV | _ | 8 busiest | advmod |
| 7 | be | be | AUX | VerbForm=Inf | 8 busiest | cop |
| 8 | busiest | busy | ADJ | Degree=Sup | root | root |
| 9 | at | at | ADP | _ | 10 dawn | case |
| 10 | dawn | dawn | NOUN | Number=Sing | 8 busiest | obl |
| 11 | and | and | CCONJ | _ | 12 dusk | cc |
| 12 | dusk | dusk | NOUN | Number=Sing | 10 dawn | conj |
| 13 | ? | ? | PUNCT | _ | 8 busiest | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | might | cats and mice | dawn | both, busy property | tree rules |
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
Mice like watching the sunrise
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Mice | mouse | NOUN | Number=Plur | root | root |
| 2 | like | like | SCONJ | _ | 3 watching | mark |
| 3 | watching | watch | VERB | VerbForm=Ger | 1 Mice | acl |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 sunrise | det |
| 5 | sunrise | sunrise | NOUN | Number=Sing | 3 watching | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | watch | gerund | Mice not said here | sunrise | vn search-35.2 «NP V PP.location»: agent=Agent |
Option 2 · ✓ the right answer
Cats have evolved to hunt when mice are out
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Cats | cat | NOUN | Number=Plur | 3 evolved | nsubj:pass |
| 2 | have | have | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 evolved | aux |
| 3 | evolved | evolve | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 4 | to | to | PART | _ | 5 hunt | mark |
| 5 | hunt | hunt | VERB | VerbForm=Inf | 3 evolved | xcomp |
| 6 | when | when | ADV | PronType=Int | 9 out | advmod |
| 7 | mice | mouse | NOUN | Number=Plur | 9 out | nsubj |
| 8 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 9 out | cop |
| 9 | out | out | ADV | _ | 5 hunt | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | evolve | present · perfect · passive | Cats | tree rules | |||||
| 2 | hunt | to-infinitive | vn hunt-35.1 «NP V»: agent=Agent | ||||||
| 3 | is | present | mice | out property | tree rules |
Option 3 · ← Mova's choice
Cats are scared of the dark and the light
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Cats | cat | NOUN | Number=Plur | 3 scared | nsubj |
| 2 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 scared | cop |
| 3 | scared | scared | ADJ | Degree=Pos | root | root |
| 4 | of | of | ADP | _ | 6 dark | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 dark | det |
| 6 | dark | dark | NOUN | Number=Sing | 3 scared | obl |
| 7 | and | and | CCONJ | _ | 9 light | cc |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 light | det |
| 9 | light | light | NOUN | Number=Sing | 6 dark | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | Cats | of the dark and the light; scared property | tree rules |
Option 4
They agree to meet then
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | They | they | PRON | Case=Nom Number=Plur Person=3 PronType=Prs | 2 agree | nsubj |
| 2 | agree | agree | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | to | to | PART | _ | 4 meet | mark |
| 4 | meet | meet | VERB | VerbForm=Inf | 2 agree | xcomp |
| 5 | then | then | ADV | PronType=Dem | 4 meet | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | agree speech: agree | present | They | vn correspond-36.1-1 «NP V what S_INF»: agent=Agent clause=Topic | |||||
| 2 | meet not said to happen | to-infinitive | They not said here | then | vn meet-36.3-1 «NP V»: agent=Agent |
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/119-how-real-cats-hunt/t10/