Exam question 4 · The candle and what burning is
It is given that a charcoal barbecue has been introduced into an enclosed tent. Ascertain the principal hazard.
Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you · What happens: give, introduce, enclose, ascertain · To what, where: It, charcoal barbecue, enclosed tent, principal hazard
This is exam question 4 of lesson 11 «The candle and what burning is» of the chemistry 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 charcoal barbecue has been introduced into an enclosed tent.
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 | _ | 10 introduced | mark |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 barbecue | det |
| 6 | charcoal | charcoal | ADJ | Degree=Pos | 7 barbecue | amod |
| 7 | barbecue | barbecue | NOUN | Number=Sing | 10 introduced | nsubj:pass |
| 8 | has | have | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 10 introduced | aux |
| 9 | been | be | AUX | Tense=Past VerbForm=Part | 10 introduced | aux:pass |
| 10 | introduced | introduce | VERB | Tense=Past VerbForm=Part Voice=Pass | 3 given | advcl |
| 11 | into | into | ADP | _ | 14 tent | case |
| 12 | an | a | DET | Definite=Ind PronType=Art | 14 tent | det |
| 13 | enclosed | enclose | VERB | Tense=Past VerbForm=Part Voice=Pass | 14 tent | amod |
| 14 | tent | tent | NOUN | Number=Sing | 10 introduced | obl |
| 15 | . | . | 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 | introduce | present · perfect · passive | a charcoal barbecue | a enclosed tent | vn amalgamate-22.2-3-1 «NP V NP»: subject=Patient | ||||
| 3 | enclose | participle | vn contiguous_location-47.8 «NP V NP»: agent=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 principal hazard.
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 | 4 hazard | det |
| 3 | principal | principal | ADJ | Degree=Pos | 4 hazard | amod |
| 4 | hazard | hazard | NOUN | Number=Sing | 1 Ascertain | obj |
| 5 | . | . | 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 principal hazard | vn discover-84 «NP V NP»: agent=Agent hazard=Topic |
The options
Option 1 · ← Mova's choice
The cooling of the air within the tent
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 cooling | det |
| 2 | cooling | cooling | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 air | case |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 air | det |
| 5 | air | air | NOUN | Number=Sing | 2 cooling | nmod |
| 6 | within | within | ADP | _ | 8 tent | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 tent | det |
| 8 | tent | tent | NOUN | Number=Sing | 2 cooling | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | cool | the air | within the tent | nom cooling «process transitive»: of=patient within=obl |
Option 2
The production of excessive quantities of oxygen
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 production | det |
| 2 | production | production | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 quantities | case |
| 4 | excessive | excessive | ADJ | Degree=Pos | 5 quantities | amod |
| 5 | quantities | quantity | NOUN | Number=Plur | 2 production | nmod |
| 6 | of | of | ADP | _ | 7 oxygen | case |
| 7 | oxygen | oxygen | NOUN | Number=Sing | 5 quantities | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | produce | excessive quantities of oxygen | nom production «act transitive»: of=patient |
Option 3
The excessive brightness of the glowing charcoal
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 3 brightness | det |
| 2 | excessive | excessive | ADJ | Degree=Pos | 3 brightness | amod |
| 3 | brightness | brightness | NOUN | Number=Sing | root | root |
| 4 | of | of | ADP | _ | 7 charcoal | case |
| 5 | the | the | DET | Definite=Def PronType=Art | 7 charcoal | det |
| 6 | glowing | glow | VERB | VerbForm=Ger | 7 charcoal | amod |
| 7 | charcoal | charcoal | NOUN | Number=Sing | 3 brightness | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | glow | gerund | vn light_emission-43.1 «NP V»: agent=Theme |
Option 4 · ✓ the right answer
The accumulation of carbon monoxide, a colourless poisonous gas
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 accumulation | det |
| 2 | accumulation | accumulation | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 monoxide | case |
| 4 | carbon | carbon | NOUN | Number=Sing | 5 monoxide | compound |
| 5 | monoxide | monoxide | NOUN | Number=Sing | 2 accumulation | nmod |
| 6 | , | , | PUNCT | _ | 10 gas | punct |
| 7 | a | a | DET | Definite=Ind PronType=Art | 10 gas | det |
| 8 | colourless | colourless | ADJ | Degree=Pos | 10 gas | amod |
| 9 | poisonous | poisonous | ADJ | Degree=Pos | 10 gas | amod |
| 10 | gas | gas | NOUN | Number=Sing | 2 accumulation | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | accumulate | carbon monoxide | nom accumulation «process transitive»: of=patient |
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/chemistry/11-the-candle-and-burning/e4/