Test 2 · ★ · Changes you can undo and changes you can't
"if atoms never get destroyed, why can't I glue my burnt homework back together?" Best answer?
Mova's choice: option 4 · The right answer: option 2 · wrong ✗ · Who acts: I · What happens: not destroy, not glue · To what, where: atoms, burnt homework
This is test 2 · ★ of lesson 9 «Changes you can undo and changes you can't» 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: "if atoms never get destroyed, why can't I glue my burnt homework back together?"
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | " | " | PUNCT | _ | 12 glue | punct |
| 2 | if | if | SCONJ | _ | 6 destroyed | mark |
| 3 | atoms | atom | NOUN | Number=Plur | 6 destroyed | nsubj:pass |
| 4 | never | never | ADV | PronType=Neg | 6 destroyed | advmod |
| 5 | get | get | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 6 destroyed | aux:pass |
| 6 | destroyed | destroy | VERB | Tense=Past VerbForm=Part Voice=Pass | 12 glue | advcl |
| 7 | , | , | PUNCT | _ | 6 destroyed | punct |
| 8 | why | why | ADV | PronType=Int | 12 glue | advmod |
| 9 | ca | can | AUX | VerbForm=Fin | 12 glue | aux |
| 10 | n't | not | PART | Polarity=Neg | 12 glue | advmod |
| 11 | I | I | PRON | Case=Nom Number=Sing Person=1 PronType=Prs | 12 glue | nsubj |
| 12 | glue | glue | VERB | VerbForm=Inf | root | root |
| 13 | my | my | PRON | Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs | 15 homework | nmod:poss |
| 14 | burnt | burnt | ADJ | Degree=Pos | 15 homework | amod |
| 15 | homework | homework | NOUN | Number=Sing | 12 glue | obj |
| 16 | back | back | ADV | _ | 12 glue | advmod |
| 17 | together | together | ADV | _ | 12 glue | advmod |
| 18 | ? | ? | PUNCT | _ | 12 glue | punct |
| 19 | " | " | PUNCT | _ | 12 glue | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not destroy a condition, not said to happen, in a quote | present · passive | atoms | vn destroy-44 «NP V NP»: subject=Patient | |||||
| 2 | not glue in a quote | can | I | my burnt homework | together property | vn tape-22.4 «NP V NP»: agent=Agent homework=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: Best answer?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Best | good | ADJ | Degree=Sup | 2 answer | amod |
| 2 | answer | answer | NOUN | Number=Sing | root | root |
| 3 | ? | ? | PUNCT | _ | 2 answer | punct |
The frames reader finds no event or fact in this sentence.
The options
Option 1
The paper is hiding in the smoke
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 paper | det |
| 2 | paper | paper | NOUN | Number=Sing | 4 hiding | nsubj |
| 3 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 hiding | aux |
| 4 | hiding | hide | VERB | Tense=Pres VerbForm=Part | root | root |
| 5 | in | in | ADP | _ | 7 smoke | case |
| 6 | the | the | DET | Definite=Def PronType=Art | 7 smoke | det |
| 7 | smoke | smoke | NOUN | Number=Sing | 4 hiding | obl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | hide | present · progressive | the paper | the smoke | vn concealment-16-1 «NP V PP.location»: agent=Agent in smoke=Location |
Option 2 · ✓ the right answer
The atoms are now in new substances in the air and ash
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 atoms | det |
| 2 | atoms | atom | NOUN | Number=Plur | 7 substances | nsubj |
| 3 | are | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 7 substances | cop |
| 4 | now | now | ADV | PronType=Dem | 7 substances | advmod |
| 5 | in | in | ADP | _ | 7 substances | case |
| 6 | new | new | ADJ | Degree=Pos | 7 substances | amod |
| 7 | substances | substance | NOUN | Number=Plur | root | root |
| 8 | in | in | ADP | _ | 10 air | case |
| 9 | the | the | DET | Definite=Def PronType=Art | 10 air | det |
| 10 | air | air | NOUN | Number=Sing | 7 substances | nmod |
| 11 | and | and | CCONJ | _ | 12 ash | cc |
| 12 | ash | ash | NOUN | Number=Sing | 10 air | conj |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is | present | the atoms | new substances | now | in the air and ash | tree rules |
Option 3
You can, with strong enough glue
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | You | you | PRON | Case=Nom Person=2 PronType=Prs | 2 can | nsubj |
| 2 | can | can | AUX | VerbForm=Fin | root | root |
| 3 | , | , | PUNCT | _ | 7 glue | punct |
| 4 | with | with | ADP | _ | 7 glue | case |
| 5 | strong | strong | ADJ | Degree=Pos | 7 glue | amod |
| 6 | enough | enough | ADJ | Degree=Pos | 7 glue | amod |
| 7 | glue | glue | NOUN | Number=Sing | 2 can | conj |
The frames reader finds no event or fact in this sentence.
Option 4 · ← Mova's choice
The atoms were all destroyed by the fire, so there is nothing left to glue
The tree, 15 words
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 atoms | det |
| 2 | atoms | atom | NOUN | Number=Plur | 5 destroyed | nsubj:pass |
| 3 | were | be | AUX | Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin | 5 destroyed | aux:pass |
| 4 | all | all | ADV | _ | 5 destroyed | advmod |
| 5 | destroyed | destroy | VERB | Tense=Past VerbForm=Part Voice=Pass | root | root |
| 6 | by | by | ADP | _ | 8 fire | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 8 fire | det |
| 8 | fire | fire | NOUN | Number=Sing | 5 destroyed | obl |
| 9 | , | , | PUNCT | _ | 12 is | punct |
| 10 | so | so | ADV | _ | 12 is | advmod |
| 11 | there | there | PRON | PronType=Dem | 12 is | expl |
| 12 | is | be | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 5 destroyed | parataxis |
| 13 | nothing | nothing | PRON | Number=Sing PronType=Neg | 12 is | nsubj |
| 14 | left | leave | VERB | Tense=Past VerbForm=Part Voice=Pass | 13 nothing | acl |
| 15 | to | to | PART | _ | 16 glue | mark |
| 16 | glue | glue | VERB | VerbForm=Inf | 14 left | advcl |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | destroy | past · passive | the fire | the atoms | all property | vn destroy-44 «NP V NP»: agent=Agent subject=Patient | |||
| 2 | be | present | nothing | there | vn exist-47.1 «NP V»: agent=Theme | ||||
| 3 | leave | participle | vn escape-51.1-1-1 «NP V»: agent=Theme | ||||||
| 4 | glue | to-infinitive | vn tape-22.4 «NP V ADV-Middle»: agent=Patient |
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/9-changes-you-can-and-cannot-undo/t2/