Test 9 · How animals hide: camouflage and mimicry
Which is true about the octopus?
Mova's choice: option 4 · The right answer: option 4 · right ✓ · What happens: be
This is test 9 of lesson 51 «How animals hide: camouflage and mimicry» 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 | Which | which | PRON | PronType=Rel | 3 true | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 true | cop |
| 3 | true | true | ADJ | Degree=Pos | root | root |
| 4 | about | about | ADP | _ | 6 octopus | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 octopus | det |
| 6 | octopus | octopus | NOUN | Number=Sing | 3 true | obl |
| 7 | ? | ? | PUNCT | _ | 3 true | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | about the octopus; true 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
It hides by growing a shell like a snail
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 | 2 hides | nsubj |
| 2 | hides | hide | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | by | by | SCONJ | _ | 4 growing | mark |
| 4 | growing | grow | VERB | Tense=Pres VerbForm=Part | 2 hides | advcl |
| 5 | a | a | DET | Definite=Ind PronType=Art | 6 shell | det |
| 6 | shell | shell | NOUN | Number=Sing | 4 growing | obj |
| 7 | like | like | ADP | _ | 9 snail | case |
| 8 | a | a | DET | Definite=Ind PronType=Art | 9 snail | det |
| 9 | snail | snail | NOUN | Number=Sing | 4 growing | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | hide | present | It | vn concealment-16-1 «NP V»: agent=Agent | |||||
| 2 | grow | gerund | a shell | like a snail | vn appear-48.1.1 «PP.location V NP»: agent=Location shell=Theme |
Option 2
It can only change colour when it sees something red
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 | 4 change | nsubj |
| 2 | can | can | AUX | VerbForm=Fin | 4 change | aux |
| 3 | only | only | ADV | _ | 4 change | advmod |
| 4 | change | change | VERB | VerbForm=Inf | root | root |
| 5 | colour | colour | NOUN | Number=Sing | 4 change | obj |
| 6 | when | when | SCONJ | _ | 8 sees | mark |
| 7 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 8 sees | nsubj |
| 8 | sees | see | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 change | advcl |
| 9 | something | something | PRON | Number=Sing PronType=Ind | 8 sees | obj |
| 10 | red | red | ADJ | Degree=Pos | 9 something | amod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | change | can | It | colour | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent colour=Patient | ||||
| 2 | see | present | colour | something | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer something=Stimulus |
Option 3
It changes colour only when it sleeps
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 | 2 changes | nsubj |
| 2 | changes | change | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | colour | colour | NOUN | Number=Sing | 2 changes | obj |
| 4 | only | only | ADV | _ | 7 sleeps | advmod |
| 5 | when | when | ADV | PronType=Int | 7 sleeps | advmod |
| 6 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 7 sleeps | nsubj |
| 7 | sleeps | sleep | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 2 changes | parataxis |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | change | present | It | colour | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent colour=Patient | ||||
| 2 | sleep | present | colour | vn snooze-40.4-1 «NP V»: agent=Agent |
Option 4 · ← Mova's choice · ✓ the right answer
It matches colours well, though it may not see colour like we do
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 | 2 matches | nsubj |
| 2 | matches | match | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | colours | colour | NOUN | Number=Plur | 2 matches | obj |
| 4 | well | well | ADV | Degree=Pos | 2 matches | advmod |
| 5 | , | , | PUNCT | _ | 10 see | punct |
| 6 | though | though | SCONJ | _ | 10 see | mark |
| 7 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 10 see | nsubj |
| 8 | may | may | AUX | VerbForm=Fin | 10 see | aux |
| 9 | not | not | PART | Polarity=Neg | 10 see | advmod |
| 10 | see | see | VERB | VerbForm=Inf | 2 matches | parataxis |
| 11 | colour | colour | NOUN | Number=Sing | 10 see | obj |
| 12 | like | like | SCONJ | _ | 14 do | mark |
| 13 | we | we | PRON | Case=Nom Number=Plur Person=1 PronType=Prs | 14 do | nsubj |
| 14 | do | do | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 10 see | advcl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | match | present | It | colours | well property | vn amalgamate-22.2-1 «NP V NP»: agent=Agent colour=Patient | |||
| 2 | not see | may | it | colour | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer colour=Stimulus | ||||
| 3 | do | present | we | vn act-114-1 «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/51-how-animals-hide/t9/