Test 11 · More builders: caddis cases, paper wasps, moles, apes' bed…
A bird sits on a wood ants' nest and lets ants climb on it. Why might it do that?
Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: bird, ants · What happens: sit, let, climb, do · To what, where: nest, ants, that
This is test 11 of lesson 245 «More builders: caddis cases, paper wasps, moles, apes' beds and sand circles» 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 bird sits on a wood ants' nest and lets ants climb on it.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | A | a | DET | Definite=Ind PronType=Art | 2 bird | det |
| 2 | bird | bird | NOUN | Number=Sing | 3 sits | nsubj |
| 3 | sits | sit | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | on | on | ADP | _ | 9 nest | case |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 ants | det |
| 6 | wood | wood | NOUN | Number=Sing | 7 ants | compound |
| 7 | ants | ant | NOUN | Number=Plur | 9 nest | nmod:poss |
| 8 | ' | 's | PART | _ | 7 ants | case |
| 9 | nest | nest | NOUN | Number=Sing | 3 sits | obl |
| 10 | and | and | CCONJ | _ | 11 lets | cc |
| 11 | lets | let | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 sits | conj |
| 12 | ants | ant | NOUN | Number=Plur | 11 lets | obj |
| 13 | climb | climb | VERB | VerbForm=Inf | 11 lets | xcomp |
| 14 | on | on | ADP | _ | 15 it | case |
| 15 | it | it | PRON | Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs | 13 climb | obl |
| 16 | . | . | PUNCT | _ | 3 sits | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | sit | present | a bird | a wood ants's nest | vn assuming_position-50 «NP V PP.location»: agent=Agent on nest=Location | ||||
| 2 | let | present | a bird not said here | ants | tree rules | ||||
| 3 | climb | infinitive | ants not said here | on bird | vn run-51.3.2 «NP V PP.location»: agent=Theme on it=Trajectory |
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 might it do that?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Why | why | ADV | PronType=Int | 4 do | advmod |
| 2 | might | might | AUX | VerbForm=Fin | 4 do | aux |
| 3 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 4 do | nsubj |
| 4 | do | do | VERB | VerbForm=Inf | root | root |
| 5 | that | that | PRON | Number=Sing PronType=Dem | 4 do | obj |
| 6 | ? | ? | PUNCT | _ | 4 do | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | do | might | bird | that | vn act-114-1 «NP V NP»: agent=Agent that=Eventuality |
The options
Option 1
It is stuck in the nest and cannot fly away again
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 | 3 stuck | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 stuck | cop |
| 3 | stuck | stuck | ADJ | Degree=Pos | root | root |
| 4 | in | in | ADP | _ | 6 nest | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 nest | det |
| 6 | nest | nest | NOUN | Number=Sing | 3 stuck | obl |
| 7 | and | and | CCONJ | _ | 10 fly | cc |
| 8 | can | can | AUX | VerbForm=Fin | 10 fly | aux |
| 9 | not | not | PART | Polarity=Neg | 10 fly | advmod |
| 10 | fly | fly | VERB | VerbForm=Inf | 3 stuck | conj |
| 11 | away | away | ADV | _ | 10 fly | advmod |
| 12 | again | again | ADV | _ | 10 fly | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | It | the nest | stuck property | tree rules | |||
| 2 | not fly away | can | again | away property | vn spatial_configuration-47.6-1 «NP V»: agent=Theme |
Option 2
It is building its own nest there
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 | 3 building | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 building | aux |
| 3 | building | build | VERB | Tense=Pres VerbForm=Part | root | root |
| 4 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 6 nest | nmod:poss |
| 5 | own | own | ADJ | Degree=Pos | 6 nest | amod |
| 6 | nest | nest | NOUN | Number=Sing | 3 building | obj |
| 7 | there | there | ADV | PronType=Dem | 3 building | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | build | present · progressive | It | its own nest | there | vn build-26.1-1 «NP.material V NP»: agent=Material nest=Product |
Option 3 · ← Mova's choice · ✓ the right answer
The ants' acid may clean parasites off its feathers
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 ants | det |
| 2 | ants | ant | NOUN | Number=Plur | 4 acid | nmod:poss |
| 3 | ' | 's | PART | _ | 2 ants | case |
| 4 | acid | acid | NOUN | Number=Sing | 6 clean | nsubj |
| 5 | may | may | AUX | VerbForm=Fin | 6 clean | aux |
| 6 | clean | clean | VERB | VerbForm=Inf | root | root |
| 7 | parasites | parasite | NOUN | Number=Plur | 6 clean | obj |
| 8 | off | off | ADP | _ | 10 feathers | case |
| 9 | its | its | PRON | Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs | 10 feathers | nmod:poss |
| 10 | feathers | feather | NOUN | Number=Plur | 6 clean | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | clean | may | the ants's acid | parasites | acid's feathers | vn clear-10.3 «NP V NP PP.source»: agent=Agent parasite=Theme off feather=Source |
Option 4
It is trying to hatch the ant eggs
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 | 3 trying | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 trying | aux |
| 3 | trying | try | VERB | Tense=Pres VerbForm=Part | root | root |
| 4 | to | to | PART | _ | 5 hatch | mark |
| 5 | hatch | hatch | VERB | VerbForm=Inf | 3 trying | xcomp |
| 6 | the | the | DET | Definite=Def PronType=Art | 8 eggs | det |
| 7 | ant | ant | NOUN | Number=Sing | 8 eggs | compound |
| 8 | eggs | egg | NOUN | Number=Plur | 5 hatch | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | try | present · progressive | It | vn try-61.1 «NP V S_INF»: agent=Agent clause=Eventuality | |||||
| 2 | hatch not said to happen | to-infinitive | the ant eggs | vn grow-26.2.1 «NP V NP.product PP.patient»: agent=Agent egg=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/245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles/t11/