Cleaning chemicals and safety at home, sentence 4
Some cleaners must never meet: bleach poured together with an acid toilet cleaner gives off chlorine, a poisonous gas.
Who acts: cleaners, bleach · What happens: not meet, pour, give off · To what, where: bleach, chlorine
This is a sentence of the lesson «Cleaning chemicals and safety at home» of the chemistry course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (cleaners, bleach), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Some | some | DET | PronType=Ind | 2 cleaners | det |
| 2 | cleaners | cleaner | NOUN | Number=Plur | 5 meet | nsubj |
| 3 | must | must | AUX | VerbForm=Fin | 5 meet | aux |
| 4 | never | never | ADV | PronType=Neg | 5 meet | advmod |
| 5 | meet | meet | VERB | VerbForm=Inf | root | root |
| 6 | : | : | PUNCT | _ | 5 meet | punct |
| 7 | bleach | bleach | NOUN | Number=Sing | 15 gives | nsubj |
| 8 | poured | pour | VERB | Tense=Past VerbForm=Part | 7 bleach | acl |
| 9 | together | together | ADV | _ | 8 poured | advmod |
| 10 | with | with | ADP | _ | 14 cleaner | case |
| 11 | an | a | DET | Definite=Ind PronType=Art | 14 cleaner | det |
| 12 | acid | acid | ADJ | Degree=Pos | 14 cleaner | amod |
| 13 | toilet | toilet | NOUN | Number=Sing | 14 cleaner | compound |
| 14 | cleaner | cleaner | NOUN | Number=Sing | 8 poured | obl |
| 15 | gives | give | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 5 meet | parataxis |
| 16 | off | off | ADP | _ | 15 gives | compound:prt |
| 17 | chlorine | chlorine | NOUN | Number=Sing | 15 gives | obj |
| 18 | , | , | PUNCT | _ | 21 gas | punct |
| 19 | a | a | DET | Definite=Ind PronType=Art | 21 gas | det |
| 20 | poisonous | poisonous | ADJ | Degree=Pos | 21 gas | amod |
| 21 | gas | gas | NOUN | Number=Sing | 17 chlorine | appos |
| 22 | . | . | PUNCT | _ | 5 meet | punct |
Pragmatics
- form
- statement
- act
- warn
- voice
- narrator
- polarity
- none
- teacher
- changed act=warn
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | not meet | must | some cleaners | vn meet-36.3-1 «NP V»: agent=Agent | |||||
| 2 | pour | participle | bleach not said here | with a acid toilet cleaner; together property | vn substance_emission-43.4-1 «NP.location V PP.theme»: agent=Location with cleaner=Theme | ||||
| 3 | give off | present | bleach | chlorine | vn substance_emission-43.4 «NP V NP»: agent=Source chlorine=Theme |
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.
Licence: CC BY-SA 4.0, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, mova-school-agreed-en.conllu) is part. The lessons were written for Mova's primary school. Sentence school:chemistry:025-cleaning-chemicals-safety.lesson:4.
The tree: Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1. The frames are read from the tree by Mova's frames reader (prag) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.
See the release 0.4.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/chemistry/25-cleaning-chemicals-safety/4/