Exam question 2 · Indicators: the red-cabbage rainbow
It is given that red cabbage juice is added to a solution of baking soda. Determine the colour most likely to be observed.
Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: you · What happens: give, add, determine, observe · To what, where: It, red cabbage juice, colour
This is exam question 2 of lesson 17 «Indicators: the red-cabbage rainbow» 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 red cabbage juice is added to a solution of baking soda.
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 | _ | 9 added | mark |
| 5 | red | red | ADJ | Degree=Pos | 7 juice | amod |
| 6 | cabbage | cabbage | NOUN | Number=Sing | 7 juice | compound |
| 7 | juice | juice | NOUN | Number=Sing | 9 added | nsubj:pass |
| 8 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 added | aux:pass |
| 9 | added | add | VERB | Tense=Past VerbForm=Part Voice=Pass | 3 given | advcl |
| 10 | to | to | ADP | _ | 12 solution | case |
| 11 | a | a | DET | Definite=Ind PronType=Art | 12 solution | det |
| 12 | solution | solution | NOUN | Number=Sing | 9 added | obl |
| 13 | of | of | ADP | _ | 15 soda | case |
| 14 | baking | baking | NOUN | Number=Sing | 15 soda | compound |
| 15 | soda | soda | NOUN | Number=Sing | 12 solution | nmod |
| 16 | . | . | 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 | add speech: assert | present · passive | red cabbage juice | to a solution of baking soda | vn mix-22.1-2 «NP V NP PP.co-patient»: subject=Patient to solution=Co-Patient |
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: Determine the colour most likely to be observed.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Determine | determine | VERB | Mood=Imp VerbForm=Fin | root | root |
| 2 | the | the | DET | Definite=Def PronType=Art | 3 colour | det |
| 3 | colour | colour | NOUN | Number=Sing | 1 Determine | obj |
| 4 | most | most | ADV | Degree=Sup | 5 likely | advmod |
| 5 | likely | likely | ADJ | Degree=Pos | 3 colour | amod |
| 6 | to | to | PART | _ | 8 observed | mark |
| 7 | be | be | AUX | VerbForm=Inf | 8 observed | aux:pass |
| 8 | observed | observe | VERB | Tense=Past VerbForm=Part Voice=Pass | 5 likely | xcomp |
| 9 | . | . | PUNCT | _ | 1 Determine | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | determine | imperative | you not said here | the colour | vn discover-84 «NP V NP»: agent=Agent colour=Topic | ||||
| 2 | observe | to-infinitive · passive | you not said here | vn say-37.7-1-1 «NP V that S» |
The options
Option 1 · ← Mova's choice
Pink-red
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Pink | pink | ADJ | Degree=Pos | root | root |
| 2 | - | - | PUNCT | _ | 3 red | punct |
| 3 | red | red | ADJ | Degree=Pos | 1 Pink | conj |
The frames reader finds no event or fact in this sentence.
Option 2
Deep black
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Deep | deep | ADJ | Degree=Pos | 2 black | amod |
| 2 | black | black | ADJ | Degree=Pos | root | root |
The frames reader finds no event or fact in this sentence.
Option 3
Colourless
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Colourless | colourless | ADJ | Degree=Pos | root | root |
The frames reader finds no event or fact in this sentence.
Option 4 · ✓ the right answer
Blue-green
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Blue | blue | ADJ | Degree=Pos | 3 green | amod |
| 2 | - | - | PUNCT | _ | 1 Blue | punct |
| 3 | green | green | ADJ | Degree=Pos | 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/chemistry/17-indicators-the-red-cabbage-rainbow/e2/