Test 10 · The aviary: the walk-through tropical house
A pair of birds take turns sitting on their eggs and fetching food. Why does this help?
Mova's choice: option 2 · The right answer: option 3 · wrong ✗ · Who acts: pair, turns, this · What happens: take, sit, fetch, help · To what, where: turns, eggs, food
This is test 10 of lesson 93 «The aviary: the walk-through tropical house» 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: A pair of birds take turns sitting on their eggs and fetching food.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 2 pair | det |
| 2 | pair | pair | NOUN | Number=Sing | 5 take | nsubj |
| 3 | of | of | ADP | _ | 4 birds | case |
| 4 | birds | bird | NOUN | Number=Plur | 2 pair | nmod |
| 5 | take | take | VERB | Mood=Ind Number=Plur Person=1 Tense=Pres VerbForm=Fin | root | root |
| 6 | turns | turn | NOUN | Number=Plur | 5 take | obj |
| 7 | sitting | sit | VERB | VerbForm=Ger | 6 turns | acl |
| 8 | on | on | ADP | _ | 10 eggs | case |
| 9 | their | their | PRON | Case=Gen Number=Plur Person=3 Poss=Yes PronType=Prs | 10 eggs | nmod:poss |
| 10 | eggs | egg | NOUN | Number=Plur | 7 sitting | obl |
| 11 | and | and | CCONJ | _ | 12 fetching | cc |
| 12 | fetching | fetch | VERB | VerbForm=Ger | 7 sitting | conj |
| 13 | food | food | NOUN | Number=Sing | 12 fetching | obj |
| 14 | . | . | PUNCT | _ | 5 take | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | take | present | a pair of birds | turns | vn bring-11.3 «NP V NP»: agent=Agent turn=Theme | ||||
| 2 | sit | gerund | turns not said here | turns's eggs | vn assuming_position-50 «NP V PP.location»: agent=Agent on egg=Location | ||||
| 3 | fetch | gerund | turns not said here | food | vn get-13.5.1-1 «NP V NP»: agent=Agent food=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.
Sentence 2: Why does this help?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Why | why | ADV | PronType=Int | 4 help | advmod |
| 2 | does | do | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 help | aux |
| 3 | this | this | PRON | Number=Sing PronType=Dem | 4 help | nsubj |
| 4 | help | help | VERB | VerbForm=Inf | root | root |
| 5 | ? | ? | PUNCT | _ | 4 help | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | help | present · do-support | this | vn help-72.1-1-1 «NP V PP.theme»: agent=Agent |
The options
Option 1
The parents get bored sitting
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 parents | det |
| 2 | parents | parent | NOUN | Number=Plur | 3 get | nsubj |
| 3 | get | get | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | bored | bored | ADJ | Degree=Pos | 5 sitting | amod |
| 5 | sitting | sitting | NOUN | Number=Sing | 3 get | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | get | present | the parents | bored sitting | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer sitting=Stimulus |
Option 2 · ← Mova's choice
It stops the eggs hatching too early
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 stops | nsubj |
| 2 | stops | stop | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | the | the | DET | Definite=Def PronType=Art | 4 eggs | det |
| 4 | eggs | egg | NOUN | Number=Plur | 2 stops | obj |
| 5 | hatching | hatch | VERB | VerbForm=Ger | 4 eggs | acl |
| 6 | too | too | ADV | _ | 7 early | advmod |
| 7 | early | early | ADV | Degree=Pos | 2 stops | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | stop | present | It | the eggs | early property | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality egg=Eventuality | |||
| 2 | hatch | gerund | the eggs not said here | vn grow-26.2.1 «NP.patient V PP.product»: agent=Patient |
Option 3 · ✓ the right answer
The chicks survive better with two parents
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 chicks | det |
| 2 | chicks | chick | NOUN | Number=Plur | 3 survive | nsubj |
| 3 | survive | survive | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | better | well | ADV | Degree=Cmp | 3 survive | advmod |
| 5 | with | with | ADP | _ | 7 parents | case |
| 6 | two | two | NUM | NumForm=Word NumType=Card | 7 parents | nummod |
| 7 | parents | parent | NOUN | Number=Plur | 3 survive | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | survive | present | the chicks | with two parents; well property | vn exist-47.1-1 «NP V»: agent=Theme |
Option 4
The eggs must be moved to a new nest every single hour
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 eggs | det |
| 2 | eggs | egg | NOUN | Number=Plur | 5 moved | nsubj:pass |
| 3 | must | must | AUX | VerbForm=Fin | 5 moved | aux |
| 4 | be | be | AUX | VerbForm=Inf | 5 moved | aux:pass |
| 5 | moved | move | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 6 | to | to | ADP | _ | 9 nest | case |
| 7 | a | a | DET | Definite=Ind PronType=Art | 9 nest | det |
| 8 | new | new | ADJ | Degree=Pos | 9 nest | amod |
| 9 | nest | nest | NOUN | Number=Sing | 5 moved | obl |
| 10 | every | every | DET | PronType=Tot | 12 hour | det |
| 11 | single | single | ADJ | Degree=Pos | 12 hour | amod |
| 12 | hour | hour | NOUN | Number=Sing | 5 moved | obl:unmarked |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | move | must · passive | the eggs | a new nest | hour | vn roll-51.3.1 «NP V NP PP.trajectory»: subject=Theme to nest=Trajectory |
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/93-the-aviary-the-walk-through-tropical-house/t10/