Exam question 4 · Plants deeper: leaves and sunlight, how a tree is made of…
It is given that a submerged aquatic plant, exposed to sunlight, emits small bubbles. Ascertain the identity of the gas so emitted.
Mova's choice: option 1 · The right answer: option 3 · wrong ✗ · Who acts: you · What happens: give, submerge, expose, emit, ascertain · To what, where: It, submerged aquatic plant, sunlight, small bubbles, identity, gas
This is exam question 4 of lesson 251 «Plants deeper: leaves and sunlight, how a tree is made of air» of the biology course of Mova's primary school, asked in stiff, formal language. 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: It is given that a submerged aquatic plant, exposed to sunlight, emits small bubbles.
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 given | nsubj:pass |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 given | aux:pass |
| 3 | given | give | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 4 | that | that | SCONJ | _ | 8 plant | mark |
| 5 | a | a | DET | Definite=Ind PronType=Art | 8 plant | det |
| 6 | submerged | submerge | VERB | Tense=Past VerbForm=Part Voice=Pass | 8 plant | amod |
| 7 | aquatic | aquatic | NOUN | Number=Sing | 8 plant | compound |
| 8 | plant | plant | NOUN | Number=Sing | 3 given | xcomp |
| 9 | , | , | PUNCT | _ | 10 exposed | punct |
| 10 | exposed | expose | VERB | Tense=Past VerbForm=Part Voice=Pass | 8 plant | acl |
| 11 | to | to | ADP | _ | 12 sunlight | case |
| 12 | sunlight | sunlight | NOUN | Number=Sing | 10 exposed | obl |
| 13 | , | , | PUNCT | _ | 14 emits | punct |
| 14 | emits | emit | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 given | advcl |
| 15 | small | small | ADJ | Degree=Pos | 16 bubbles | amod |
| 16 | bubbles | bubble | NOUN | Number=Plur | 14 emits | obj |
| 17 | . | . | PUNCT | _ | 3 given | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | give | present · passive | It | vn give-13.1-1 «NP V NP»: subject=Theme | |||||
| 2 | submerge | participle | vn other_cos-45.4 «NP.patient V»: agent=Patient | ||||||
| 3 | expose | participle | a submerged aquatic plant not said here | sunlight | vn reflexive_appearance-48.1.2 «NP V NP PP.recipient»: agent=Agent to sunlight=Recipient | ||||
| 4 | emit | present | small bubbles | vn substance_emission-43.4 «NP V NP»: agent=Source bubble=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: Ascertain the identity of the gas so emitted.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Ascertain | ascertain | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 identity | det |
| 3 | identity | identity | NOUN | Number=Sing | 1 Ascertain | obj |
| 4 | of | of | ADP | _ | 6 gas | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 gas | det |
| 6 | gas | gas | NOUN | Number=Sing | 3 identity | nmod |
| 7 | so | so | ADV | _ | 8 emitted | advmod |
| 8 | emitted | emit | VERB | Tense=Past VerbForm=Part Voice=Pass | 6 gas | acl |
| 9 | . | . | PUNCT | _ | 1 Ascertain | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ascertain | imperative | you not said here | the identity of the gas | vn discover-84 «NP V NP»: agent=Agent identity=Topic | ||||
| 2 | emit | participle | the gas not said here | vn substance_emission-43.4 «NP V NP»: agent=Source |
The options
Option 1 · ← Mova's choice
Water vapour
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Water | water | NOUN | Number=Sing | 2 vapour | compound |
| 2 | vapour | vapour | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 2
Carbon dioxide
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Carbon | carbon | NOUN | Number=Sing | 2 dioxide | compound |
| 2 | dioxide | dioxide | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 3 · ✓ the right answer
Oxygen
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Oxygen | oxygen | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 4
Nitrogen
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Nitrogen | Nitrogen | PROPN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
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/251-plants-deeper-leaves-and-sunlight-how-a-tree-is-made-of-air/e4/