Test 7 · ★ · Alkalis and soda, and how they cancel acids
Little brother: "toothpaste is just for nice breath". What else does it do?
Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: toothpaste · What happens: be, do
This is test 7 · ★ of lesson 16 «Alkalis and soda, and how they cancel acids» of the chemistry 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
Sentence 1: Little brother: "toothpaste is just for nice breath".
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Little | little | ADJ | Degree=Pos | 2 brother | amod |
| 2 | brother | brother | NOUN | Number=Sing | root | root |
| 3 | : | : | PUNCT | _ | 10 breath | punct |
| 4 | " | " | PUNCT | _ | 10 breath | punct |
| 5 | toothpaste | toothpaste | NOUN | Number=Sing | 10 breath | nsubj |
| 6 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 10 breath | cop |
| 7 | just | just | ADV | _ | 10 breath | advmod |
| 8 | for | for | ADP | _ | 10 breath | case |
| 9 | nice | nice | ADJ | Degree=Pos | 10 breath | amod |
| 10 | breath | breath | NOUN | Number=Sing | 2 brother | appos |
| 11 | " | " | PUNCT | _ | 10 breath | punct |
| 12 | . | . | PUNCT | _ | 2 brother | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is in a quote | present | toothpaste | for nice breath | 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.
Sentence 2: What else does it do?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | What | what | PRON | PronType=Int | 5 do | obj |
| 2 | else | else | ADV | _ | 1 What | advmod |
| 3 | does | do | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 5 do | aux |
| 4 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 5 do | nsubj |
| 5 | do | do | VERB | VerbForm=Inf | root | root |
| 6 | ? | ? | PUNCT | _ | 5 do | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | do | present · do-support | toothpaste | vn act-114-1 «NP V NP»: agent=Agent what=Eventuality |
The options
Option 1 · ← Mova's choice · ✓ the right answer
Helps cancel acid and toughens enamel
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Helps | help | NOUN | Number=Plur | 2 cancel | nsubj |
| 2 | cancel | cancel | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | acid | acid | NOUN | Number=Sing | 2 cancel | obj |
| 4 | and | and | CCONJ | _ | 5 toughens | cc |
| 5 | toughens | toughen | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 2 cancel | conj |
| 6 | enamel | enamel | NOUN | Number=Sing | 5 toughens | obj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | cancel | present | Helps | acid | tree rules | ||||
| 2 | toughen | present | Helps not said here | enamel | vn other_cos-45.4 «NP V NP.patient»: agent=Agent enamel=Patient |
Option 2
Turns sugar into vitamins
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Turns | turn | NOUN | Number=Plur | 2 sugar | compound |
| 2 | sugar | sugar | NOUN | Number=Sing | root | root |
| 3 | into | into | ADP | _ | 4 vitamins | case |
| 4 | vitamins | vitamin | NOUN | Number=Plur | 2 sugar | nmod |
The frames reader finds no event or fact in this sentence.
Option 3
Makes your teeth grow back
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Makes | make | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 grow | cop |
| 2 | your | your | PRON | Case=Gen Person=2 Poss=Yes PronType=Prs | 3 teeth | nmod:poss |
| 3 | teeth | tooth | NOUN | Number=Plur | 4 grow | nsubj |
| 4 | grow | grow | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | back | back | ADV | _ | 4 grow | advmod |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | your teeth | grow property | tree rules |
Option 4
Kills germs in your tummy
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Kills | kill | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 2 | germs | germ | NOUN | Number=Plur | 1 Kills | obj |
| 3 | in | in | ADP | _ | 5 tummy | case |
| 4 | your | your | PRON | Case=Gen Person=2 Poss=Yes PronType=Prs | 5 tummy | nmod:poss |
| 5 | tummy | tummy | NOUN | Number=Sing | 1 Kills | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | kill | present | germs | your tummy | vn remove-10.1 «NP V NP»: agent=Agent germ=Theme |
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/16-alkalis-and-soda/t7/