Test 8 · ★ · Air and why we need it
Which gas do both a candle flame and a person need?
Mova's choice: option 4 · The right answer: option 4 · right ✓ · Who acts: gas, you · What happens: do, need · To what, where: candle flame
This is test 8 · ★ of lesson 17 «Air and why we need it» 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 do | obj |
| 2 | gas | gas | NOUN | Number=Sing | 3 do | nsubj |
| 3 | do | do | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 11 need | advcl |
| 4 | both | both | CCONJ | _ | 7 flame | cc:preconj |
| 5 | a | a | DET | Definite=Ind PronType=Art | 7 flame | det |
| 6 | candle | candle | NOUN | Number=Sing | 7 flame | compound |
| 7 | flame | flame | NOUN | Number=Sing | 3 do | obj |
| 8 | and | and | CCONJ | _ | 10 person | cc |
| 9 | a | a | DET | Definite=Ind PronType=Art | 10 person | det |
| 10 | person | person | NOUN | Number=Sing | 7 flame | conj |
| 11 | need | need | VERB | Mood=Imp VerbForm=Fin | root | root |
| 12 | ? | ? | PUNCT | _ | 11 need | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | do | present | gas | a candle flame and a person | tree rules | ||||
| 2 | need | imperative | you not said here | vn want-32.1-1-1 «NP V NP S_INF»: agent=Pivot |
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
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.
Option 2
Helium
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Helium | helium | NOUN | Number=Sing | root | root |
The frames reader finds no event or fact in this sentence.
Option 3
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 4 · ← Mova's choice · ✓ 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.
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/17-air-oxygen-carbon-dioxide/t8/