Test 9 · ★ · Birds: feathers, nests and flight
Which is true about birds and dinosaurs?
Mova's choice: option 2 · The right answer: option 2 · right ✓ · What happens: be
This is test 9 · ★ of lesson 73 «Birds: feathers, nests and flight» of the world 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 | _ | 5 birds | case |
| 5 | birds | bird | NOUN | Number=Plur | 3 true | obl |
| 6 | and | and | CCONJ | _ | 7 dinosaurs | cc |
| 7 | dinosaurs | dinosaur | NOUN | Number=Plur | 5 birds | conj |
| 8 | ? | ? | PUNCT | _ | 3 true | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | about birds and dinosaurs; 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
Dinosaurs came from birds
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Dinosaurs | dinosaur | NOUN | Number=Plur | 2 came | nsubj |
| 2 | came | come | VERB | Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin | root | root |
| 3 | from | from | ADP | _ | 4 birds | case |
| 4 | birds | bird | NOUN | Number=Plur | 2 came | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | come | past | Dinosaurs | from birds | vn escape-51.1-1 «NP V PP.initial_location»: agent=Theme from bird=Initial_Location |
Option 2 · ← Mova's choice · ✓ the right answer
Birds are living descendants of dinosaurs
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Birds | bird | NOUN | Number=Plur | 4 descendants | nsubj |
| 2 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 4 descendants | cop |
| 3 | living | living | ADJ | Degree=Pos | 4 descendants | amod |
| 4 | descendants | descendant | NOUN | Number=Plur | root | root |
| 5 | of | of | ADP | _ | 6 dinosaurs | case |
| 6 | dinosaurs | dinosaur | NOUN | Number=Plur | 4 descendants | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is a | present | Birds | living descendants | of dinosaurs | tree rules |
Option 3
Birds and dinosaurs were never related
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Birds | bird | NOUN | Number=Plur | 6 related | nsubj |
| 2 | and | and | CCONJ | _ | 3 dinosaurs | cc |
| 3 | dinosaurs | dinosaur | NOUN | Number=Plur | 1 Birds | conj |
| 4 | were | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin | 6 related | cop |
| 5 | never | never | ADV | PronType=Neg | 6 related | advmod |
| 6 | related | related | ADJ | Degree=Pos | root | root |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not is | past | Birds and dinosaurs | related property | tree rules |
Option 4
All dinosaurs could fly, just like the birds today
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | All | all | DET | PronType=Tot | 2 dinosaurs | det |
| 2 | dinosaurs | dinosaur | NOUN | Number=Plur | 4 fly | nsubj |
| 3 | could | could | AUX | VerbForm=Fin | 4 fly | aux |
| 4 | fly | fly | VERB | VerbForm=Inf | root | root |
| 5 | , | , | PUNCT | _ | 9 birds | punct |
| 6 | just | just | ADV | _ | 9 birds | advmod |
| 7 | like | like | ADP | _ | 9 birds | case |
| 8 | the | the | DET | Definite=Def PronType=Art | 9 birds | det |
| 9 | birds | bird | NOUN | Number=Plur | 4 fly | conj |
| 10 | today | today | NOUN | Number=Sing | 4 fly | obl:unmarked |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | fly | could | all dinosaurs | today | vn spatial_configuration-47.6-1 «NP V»: agent=Theme |
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/world/73-birds-feathers-nests-flight/t9/