Exam question 1 · Birds of prey and owls
Identify the principal reason for which an owl rotates its head rather than its eyes.
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you, owl · What happens: identify, rotate · To what, where: principal reason, head
This is exam question 1 of lesson 34 «Birds of prey and owls» 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 | 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 which | case |
| 6 | which | which | PRON | PronType=Rel | 9 rotates | obl |
| 7 | an | a | DET | Definite=Ind PronType=Art | 8 owl | det |
| 8 | owl | owl | NOUN | Number=Sing | 9 rotates | nsubj |
| 9 | rotates | rotate | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 reason | parataxis |
| 10 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 11 head | nmod:poss |
| 11 | head | head | NOUN | Number=Sing | 9 rotates | obj |
| 12 | rather | rather | ADV | ExtPos=CCONJ | 15 eyes | cc |
| 13 | than | than | ADP | _ | 12 rather | fixed |
| 14 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 15 eyes | nmod:poss |
| 15 | eyes | eye | NOUN | Number=Plur | 9 rotates | conj |
| 16 | . | . | 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 | vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent reason=Theme | ||||
| 2 | rotate | present | a owl | owl's head | for the principal reason | vn modes_of_being_with_motion-47.3 «PP.location V NP»: agent=Location head=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.
The options
Option 1 · ← Mova's choice
The neck possesses no bones
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 neck | det |
| 2 | neck | neck | NOUN | Number=Sing | 3 possesses | nsubj |
| 3 | possesses | possess | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | no | no | DET | PronType=Neg | 5 bones | det |
| 5 | bones | bone | NOUN | Number=Plur | 3 possesses | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | possess | present | the neck | no bones | vn own-100.1 «NP V NP»: agent=Pivot bone=Theme |
Option 2
The eyes are sensitive to rotation
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 eyes | det |
| 2 | eyes | eye | NOUN | Number=Plur | 4 sensitive | nsubj |
| 3 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 sensitive | cop |
| 4 | sensitive | sensitive | ADJ | Degree=Pos | root | root |
| 5 | to | to | ADP | _ | 6 rotation | case |
| 6 | rotation | rotation | NOUN | Number=Sing | 4 sensitive | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | the eyes | to rotation; sensitive property | tree rules |
Option 3 · ✓ the right answer
The eyes are tubular and fixed within the skull
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 eyes | det |
| 2 | eyes | eye | NOUN | Number=Plur | 4 tubular | nsubj |
| 3 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 tubular | cop |
| 4 | tubular | tubular | ADJ | Degree=Pos | root | root |
| 5 | and | and | CCONJ | _ | 6 fixed | cc |
| 6 | fixed | fix | VERB | Tense=Past VerbForm=Part Voice=Pass | 4 tubular | conj |
| 7 | within | within | ADP | _ | 9 skull | case |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 skull | det |
| 9 | skull | skull | NOUN | Number=Sing | 6 fixed | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | the eyes | tubular property | tree rules | ||||
| 2 | fix | participle | the eyes not said here | within the skull | vn shake-22.3-2 «NP V ADV-Middle»: agent=Patient |
Option 4
The eyes are entirely absent in the nocturnal species
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 eyes | det |
| 2 | eyes | eye | NOUN | Number=Plur | 5 absent | nsubj |
| 3 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 5 absent | cop |
| 4 | entirely | entirely | ADV | _ | 5 absent | advmod |
| 5 | absent | absent | ADJ | Degree=Pos | root | root |
| 6 | in | in | ADP | _ | 9 species | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 9 species | det |
| 8 | nocturnal | nocturnal | ADJ | Degree=Pos | 9 species | amod |
| 9 | species | species | NOUN | Number=Plur | 5 absent | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | the eyes | the nocturnal species | absent, entirely property | tree rules |
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/34-birds-of-prey-and-owls/e1/