Exam question 1 · Olympiad: kitchen chemistry puzzles ★★★
Determine which of the following constitutes a chemical change.
Mova's choice: option 1 · The right answer: option 2 · wrong ✗ · Who acts: you · What happens: determine, follow, be
This is exam question 1 of lesson 36 «Olympiad: kitchen chemistry puzzles ★★★» 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 | Determine | determine | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | which | which | PRON | PronType=Rel | 9 change | nsubj |
| 3 | of | of | ADP | _ | 9 change | case |
| 4 | the | the | DET | Definite=Def PronType=Art | 9 change | det |
| 5 | following | follow | VERB | VerbForm=Ger | 9 change | nsubj |
| 6 | constitutes | constitute | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 change | cop |
| 7 | a | a | DET | Definite=Ind PronType=Art | 9 change | det |
| 8 | chemical | chemical | ADJ | Degree=Pos | 9 change | amod |
| 9 | change | change | NOUN | Number=Sing | 1 Determine | ccomp |
| 10 | . | . | PUNCT | _ | 1 Determine | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | determine | imperative | you not said here | vn conjecture-29.5 «NP V that S»: agent=Agent | |||||
| 2 | follow | gerund | vn occur-48.3-1 «NP V»: agent=Theme | ||||||
| 3 | is | present | of the chemical change | tree rules |
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 melting of butter in a warm pan
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 melting | det |
| 2 | melting | melting | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 4 butter | case |
| 4 | butter | butter | NOUN | Number=Sing | 2 melting | nmod |
| 5 | in | in | ADP | _ | 8 pan | case |
| 6 | a | a | DET | Definite=Ind PronType=Art | 8 pan | det |
| 7 | warm | warm | ADJ | Degree=Pos | 8 pan | amod |
| 8 | pan | pan | NOUN | Number=Sing | 2 melting | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | melt | butter | a warm pan | nom melting «process transitive»: of=patient in=place |
Option 2 · ✓ the right answer
The browning of bread in a toaster
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 browning | det |
| 2 | browning | browning | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 4 bread | case |
| 4 | bread | bread | NOUN | Number=Sing | 2 browning | nmod |
| 5 | in | in | ADP | _ | 7 toaster | case |
| 6 | a | a | DET | Definite=Ind PronType=Art | 7 toaster | det |
| 7 | toaster | toaster | NOUN | Number=Sing | 2 browning | nmod |
The frames reader finds no event or fact in this sentence.
Option 3
The condensation of steam upon a cold lid
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 condensation | det |
| 2 | condensation | condensation | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 4 steam | case |
| 4 | steam | steam | NOUN | Number=Sing | 2 condensation | nmod |
| 5 | upon | upon | ADP | _ | 8 lid | case |
| 6 | a | a | DET | Definite=Ind PronType=Art | 8 lid | det |
| 7 | cold | cold | ADJ | Degree=Pos | 8 lid | amod |
| 8 | lid | lid | NOUN | Number=Sing | 2 condensation | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | condense | steam | upon a cold lid | nom condensation «cognition transitive»: of=patient upon=obl |
Option 4
The dissolving of sugar in hot tea
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 dissolving | det |
| 2 | dissolving | dissolving | NOUN | Number=Sing | root | root |
| 3 | of | of | ADP | _ | 4 sugar | case |
| 4 | sugar | sugar | NOUN | Number=Sing | 2 dissolving | nmod |
| 5 | in | in | ADP | _ | 7 tea | case |
| 6 | hot | hot | ADJ | Degree=Pos | 7 tea | amod |
| 7 | tea | tea | NOUN | Number=Sing | 2 dissolving | nmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | dissolve | sugar | hot tea | nom dissolving «process transitive»: of=patient in=place |
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/36-olympiad-kitchen-chemistry-puzzles/e1/