Exam question 1 · Colours of fire: fireworks
Identify the principal origin of the diverse colours observed in pyrotechnic displays.
Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you · What happens: identify, observe · To what, where: principal origin, diverse colours, pyrotechnic displays
This is exam question 1 of lesson 26 «Colours of fire: fireworks» 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
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Identify | identify | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 4 origin | det |
| 3 | principal | principal | ADJ | Degree=Pos | 4 origin | amod |
| 4 | origin | origin | NOUN | Number=Sing | 1 Identify | obj |
| 5 | of | of | ADP | _ | 8 colours | case |
| 6 | the | the | DET | Definite=Def PronType=Art | 8 colours | det |
| 7 | diverse | diverse | ADJ | Degree=Pos | 8 colours | amod |
| 8 | colours | colour | NOUN | Number=Plur | 4 origin | nmod |
| 9 | observed | observe | VERB | Tense=Past VerbForm=Part Voice=Pass | 8 colours | acl |
| 10 | in | in | ADP | _ | 12 displays | case |
| 11 | pyrotechnic | pyrotechnic | NOUN | Number=Sing | 12 displays | compound |
| 12 | displays | display | NOUN | Number=Plur | 9 observed | obl |
| 13 | . | . | PUNCT | _ | 1 Identify | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | identify | imperative | you not said here | the principal origin of the diverse colours | vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent origin=Theme | ||||
| 2 | observe | participle | the diverse colours not said here | pyrotechnic displays | vn say-37.7-1-1 «NP V that S»: agent=Agent |
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 · ← Mova's choice
The coloured paper enclosing the device
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 3 paper | det |
| 2 | coloured | coloured | ADJ | Degree=Pos | 3 paper | amod |
| 3 | paper | paper | NOUN | Number=Sing | root | root |
| 4 | enclosing | enclose | VERB | VerbForm=Ger | 3 paper | acl |
| 5 | the | the | DET | Definite=Def PronType=Art | 6 device | det |
| 6 | device | device | NOUN | Number=Sing | 4 enclosing | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | enclose | gerund | the coloured paper not said here | the device | vn contiguous_location-47.8 «NP V NP»: agent=Theme device=Co-Theme |
Option 2
The colour of the smoke produced on ignition
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 colour | det |
| 2 | colour | colour | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 smoke | case |
| 4 | the | the | DET | Definite=Def PronType=Art | 5 smoke | det |
| 5 | smoke | smoke | NOUN | Number=Sing | 2 colour | nmod |
| 6 | produced | produce | VERB | Tense=Past VerbForm=Part Voice=Pass | 2 colour | acl |
| 7 | on | on | ADP | _ | 8 ignition | case |
| 8 | ignition | ignition | NOUN | Number=Sing | 6 produced | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | produce | participle | the colour of the smoke not said here | ignition | vn create-26.4 «NP V NP»: agent=Agent |
Option 3
The reflection of artificial light by clouds
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 reflection | det |
| 2 | reflection | reflection | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 light | case |
| 4 | artificial | artificial | ADJ | Degree=Pos | 5 light | amod |
| 5 | light | light | NOUN | Number=Sing | 2 reflection | nmod |
| 6 | by | by | ADP | _ | 7 clouds | case |
| 7 | clouds | cloud | NOUN | Number=Plur | 2 reflection | nmod |
The frames reader finds no event or fact in this sentence.
Option 4 · ✓ the right answer
The presence of different metals within the device
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 presence | det |
| 2 | presence | presence | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 5 metals | case |
| 4 | different | different | ADJ | Degree=Pos | 5 metals | amod |
| 5 | metals | metal | NOUN | Number=Plur | 2 presence | nmod |
| 6 | within | within | ADP | _ | 8 device | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 device | det |
| 8 | device | device | NOUN | Number=Sing | 2 presence | nmod |
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/chemistry/26-colours-of-fire-fireworks/e1/