Test 5 · Birds: feathers, wings, eggs and flight
If birds had heavy jaws full of teeth like crocodiles, what problem would they have?
Mova's choice: option 2 · The right answer: option 4 · wrong ✗ · Who acts: birds, problem · What happens: have · To what, where: heavy jaws
This is test 5 of lesson 33 «Birds: feathers, wings, eggs and flight» 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 | If | if | SCONJ | _ | 3 had | mark |
| 2 | birds | bird | NOUN | Number=Plur | 3 had | nsubj |
| 3 | had | have | VERB | Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin | root | root |
| 4 | heavy | heavy | ADJ | Degree=Pos | 5 jaws | amod |
| 5 | jaws | jaw | NOUN | Number=Plur | 3 had | obj |
| 6 | full | full | ADJ | Degree=Pos | 5 jaws | amod |
| 7 | of | of | ADP | _ | 8 teeth | case |
| 8 | teeth | tooth | NOUN | Number=Plur | 6 full | obl |
| 9 | like | like | ADP | _ | 10 crocodiles | case |
| 10 | crocodiles | crocodile | NOUN | Number=Plur | 8 teeth | nmod |
| 11 | , | , | PUNCT | _ | 16 have | punct |
| 12 | what | what | PRON | PronType=Int | 16 have | obj |
| 13 | problem | problem | NOUN | Number=Sing | 16 have | nsubj |
| 14 | would | would | AUX | VerbForm=Fin | 16 have | aux |
| 15 | they | they | PRON | Case=Nom Number=Plur Person=3 PronType=Prs | 16 have | nsubj |
| 16 | have | have | VERB | VerbForm=Inf | 5 jaws | conj |
| 17 | ? | ? | PUNCT | _ | 3 had | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | past | birds | heavy jaws | vn birth-28.2-1 «NP V NP»: agent=Agent jaw=Patient | ||||
| 2 | have | would | problem | heavy jaws | vn birth-28.2-1 «NP V NP»: agent=Agent what=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
They would have to live underwater
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 | 3 have | nsubj |
| 2 | would | would | AUX | VerbForm=Fin | 3 have | aux |
| 3 | have | have | VERB | VerbForm=Inf | root | root |
| 4 | to | to | PART | _ | 5 live | mark |
| 5 | live | live | VERB | VerbForm=Inf | 3 have | xcomp |
| 6 | underwater | underwater | ADV | _ | 5 live | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | would | They | tree rules | |||||
| 2 | live | to-infinitive | They not said here | underwater property | vn exist-47.1-1 «NP V»: agent=Theme |
Option 2 · ← Mova's choice
They could not sing
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 | 4 sing | nsubj |
| 2 | could | could | AUX | VerbForm=Fin | 4 sing | aux |
| 3 | not | not | PART | Polarity=Neg | 4 sing | advmod |
| 4 | sing | sing | VERB | VerbForm=Inf | root | root |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not sing speech: express | could | They | vn sound_emission-43.2 «NP V»: agent=Theme |
Option 3
Nothing, teeth weigh nothing at all compared with the rest of the head
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Nothing | nothing | PRON | Number=Sing PronType=Neg | 3 teeth | compound |
| 2 | , | , | PUNCT | _ | 1 Nothing | punct |
| 3 | teeth | tooth | NOUN | Number=Plur | 4 weigh | nsubj |
| 4 | weigh | weigh | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | nothing | nothing | PRON | Number=Sing PronType=Neg | 4 weigh | obj |
| 6 | at | at | ADP | _ | 7 all | case |
| 7 | all | all | DET | PronType=Tot | 5 nothing | nmod |
| 8 | compared | compare | VERB | Tense=Past VerbForm=Part Voice=Pass | 5 nothing | acl |
| 9 | with | with | ADP | _ | 11 rest | case |
| 10 | the | the | DET | Definite=Def PronType=Art | 11 rest | det |
| 11 | rest | rest | NOUN | Number=Sing | 8 compared | obl |
| 12 | of | of | ADP | _ | 14 head | case |
| 13 | the | the | DET | Definite=Def PronType=Art | 14 head | det |
| 14 | head | head | NOUN | Number=Sing | 11 rest | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | weigh | present | Nothing teeth | nothing | all | vn register-54.1-2-1 «NP V NP PP.value»: agent=Agent nothing=Theme at all=Value | |||
| 2 | compare | participle | with the rest of the head | vn amalgamate-22.2-2 «NP V PP»: agent=Patient with rest=Co-Patient |
Option 4 · ✓ the right answer
Their heads would be heavy, making flight harder
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Their | their | PRON | Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs | 2 heads | nmod:poss |
| 2 | heads | head | NOUN | Number=Plur | 5 heavy | nsubj |
| 3 | would | would | AUX | VerbForm=Fin | 5 heavy | aux |
| 4 | be | be | AUX | VerbForm=Inf | 5 heavy | cop |
| 5 | heavy | heavy | ADJ | Degree=Pos | root | root |
| 6 | , | , | PUNCT | _ | 7 making | punct |
| 7 | making | make | VERB | Tense=Pres VerbForm=Part | 5 heavy | advcl |
| 8 | flight | flight | NOUN | Number=Sing | 7 making | obj |
| 9 | harder | hard | ADJ | Degree=Cmp | 7 making | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | would | Their heads | heavy property | tree rules | ||||
| 2 | make | gerund | Their heads not said here | flight | hard property | vn build-26.1-1 «NP.asset V NP»: agent=Asset flight=Product |
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/33-birds-feathers-wings-eggs-and-flight/t5/