Test 9 · Birds: feathers, wings, eggs and flight
In a game, birds have solid heavy bones to make them tough. Why would real flying birds be worse off?
Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: birds, real flying birds · What happens: have, make, fly, be · To what, where: solid heavy bones, game, bones
This is test 9 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
Sentence 1: In a game, birds have solid heavy bones to make them tough.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | In | in | ADP | _ | 3 game | case |
| 2 | a | a | DET | Definite=Ind PronType=Art | 3 game | det |
| 3 | game | game | NOUN | Number=Sing | 6 have | obl |
| 4 | , | , | PUNCT | _ | 3 game | punct |
| 5 | birds | bird | NOUN | Number=Plur | 6 have | nsubj |
| 6 | have | have | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 7 | solid | solid | ADJ | Degree=Pos | 9 bones | amod |
| 8 | heavy | heavy | ADJ | Degree=Pos | 9 bones | amod |
| 9 | bones | bone | NOUN | Number=Plur | 6 have | obj |
| 10 | to | to | PART | _ | 11 make | mark |
| 11 | make | make | VERB | VerbForm=Inf | 6 have | advcl |
| 12 | them | they | PRON | Case=Acc Number=Plur Person=3 PronType=Prs | 11 make | obj |
| 13 | tough | tough | ADJ | Degree=Pos | 11 make | xcomp |
| 14 | . | . | PUNCT | _ | 6 have | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | present | birds | solid heavy bones | a game | vn birth-28.2-1 «NP V NP»: agent=Agent bone=Patient | |||
| 2 | make | to-infinitive | birds not said here | bones = bone | tough property | vn build-26.1-1 «NP.asset V NP»: agent=Asset they=Product |
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.
Sentence 2: Why would real flying birds be worse off?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Why | why | ADV | PronType=Int | 3 real | advmod |
| 2 | would | would | AUX | VerbForm=Fin | 3 real | aux |
| 3 | real | real | ADJ | Degree=Pos | 5 birds | amod |
| 4 | flying | fly | VERB | VerbForm=Ger | 5 birds | amod |
| 5 | birds | bird | NOUN | Number=Plur | 7 worse | nsubj |
| 6 | be | be | AUX | VerbForm=Inf | 7 worse | cop |
| 7 | worse | bad | ADJ | Degree=Cmp | root | root |
| 8 | off | off | ADP | _ | 7 worse | compound:prt |
| 9 | ? | ? | PUNCT | _ | 7 worse | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | fly | gerund | vn spatial_configuration-47.6-1 «NP V»: agent=Theme | ||||||
| 2 | is | infinitive | real flying birds | bad property | tree rules |
The options
Option 1
They would not be able to see
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 | 5 able | nsubj |
| 2 | would | would | AUX | VerbForm=Fin | 5 able | aux |
| 3 | not | not | PART | Polarity=Neg | 5 able | advmod |
| 4 | be | be | AUX | VerbForm=Inf | 5 able | cop |
| 5 | able | able | ADJ | Degree=Pos | root | root |
| 6 | to | to | PART | _ | 7 see | mark |
| 7 | see | see | VERB | VerbForm=Inf | 5 able | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not is | would | They | able property | tree rules | ||||
| 2 | see | to-infinitive | They not said here | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |
Option 2
Birds would grow too tall
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Birds | bird | NOUN | Number=Plur | 3 grow | nsubj |
| 2 | would | would | AUX | VerbForm=Fin | 3 grow | aux |
| 3 | grow | grow | VERB | VerbForm=Inf | root | root |
| 4 | too | too | ADV | _ | 5 tall | advmod |
| 5 | tall | tall | ADJ | Degree=Pos | 3 grow | xcomp |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | grow | would | Birds | tall property | vn appear-48.1.1 «NP V»: agent=Theme |
Option 3
Solid bones would break much more easily in the air
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Solid | solid | ADJ | Degree=Pos | 2 bones | amod |
| 2 | bones | bone | NOUN | Number=Plur | 4 break | nsubj |
| 3 | would | would | AUX | VerbForm=Fin | 4 break | aux |
| 4 | break | break | VERB | VerbForm=Inf | root | root |
| 5 | much | much | ADV | _ | 6 more | advmod |
| 6 | more | more | ADV | Degree=Cmp | 7 easily | advmod |
| 7 | easily | easily | ADV | _ | 4 break | advmod |
| 8 | in | in | ADP | _ | 10 air | case |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 air | det |
| 10 | air | air | NOUN | Number=Sing | 4 break | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | break | would | Solid bones | the air | easily property | vn appear-48.1.1 «NP V PP.location»: agent=Theme in air=Location |
Option 4 · ← Mova's choice · ✓ the right answer
Heavy bones would make flying cost far more energy
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Heavy | heavy | ADJ | Degree=Pos | 2 bones | amod |
| 2 | bones | bone | NOUN | Number=Plur | 4 make | nsubj |
| 3 | would | would | AUX | VerbForm=Fin | 4 make | aux |
| 4 | make | make | VERB | VerbForm=Inf | root | root |
| 5 | flying | fly | VERB | VerbForm=Ger | 6 cost | aux:pass |
| 6 | cost | cost | VERB | Tense=Past VerbForm=Part Voice=Pass | 4 make | xcomp |
| 7 | far | far | ADV | Degree=Pos | 8 more | advmod |
| 8 | more | more | ADJ | Degree=Cmp | 9 energy | amod |
| 9 | energy | energy | NOUN | Number=Sing | 4 make | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | make | would | Heavy bones | more energy | tree rules | ||||
| 2 | cost | gerund · passive | more energy not said here | vn cost-54.2 «NP V NP.value» |
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.
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