Tarnish and how metals change, sentence 19
Cola has a weak acid that slowly loosens rust on a nail; the story that cola dissolves a tooth overnight is a myth, though sugary acid drinks do harm teeth over time.
Who acts: Cola, weak acid, story, sugary acid drinks · What happens: have, loosen, dissolve, be, harm · To what, where: weak acid, rust, nail, story, myth, teeth
This is a sentence of the lesson «Tarnish and how metals change» 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 (Cola, weak acid, story, sugary acid drinks), 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 | Cola | Cola | PROPN | Number=Sing | 2 has | nsubj |
| 2 | has | have | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | a | a | DET | Definite=Ind PronType=Art | 5 acid | det |
| 4 | weak | weak | ADJ | Degree=Pos | 5 acid | amod |
| 5 | acid | acid | NOUN | Number=Sing | 2 has | obj |
| 6 | that | that | PRON | PronType=Rel | 8 loosens | nsubj |
| 7 | slowly | slowly | ADV | _ | 8 loosens | advmod |
| 8 | loosens | loosen | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 5 acid | acl:relcl |
| 9 | rust | rust | NOUN | Number=Sing | 8 loosens | obj |
| 10 | on | on | ADP | _ | 12 nail | case |
| 11 | a | a | DET | Definite=Ind PronType=Art | 12 nail | det |
| 12 | nail | nail | NOUN | Number=Sing | 8 loosens | obl |
| 13 | ; | ; | PUNCT | _ | 15 story | punct |
| 14 | the | the | DET | Definite=Def PronType=Art | 15 story | det |
| 15 | story | story | NOUN | Number=Sing | 24 myth | nsubj |
| 16 | that | that | PRON | PronType=Rel | 18 dissolves | obj |
| 17 | cola | cola | NOUN | Number=Sing | 18 dissolves | nsubj |
| 18 | dissolves | dissolve | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 15 story | acl:relcl |
| 19 | a | a | DET | Definite=Ind PronType=Art | 20 tooth | det |
| 20 | tooth | tooth | NOUN | Number=Sing | 18 dissolves | obj |
| 21 | overnight | overnight | ADV | _ | 18 dissolves | advmod |
| 22 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 24 myth | cop |
| 23 | a | a | DET | Definite=Ind PronType=Art | 24 myth | det |
| 24 | myth | myth | NOUN | Number=Sing | 2 has | parataxis |
| 25 | , | , | PUNCT | _ | 31 harm | punct |
| 26 | though | though | SCONJ | _ | 31 harm | mark |
| 27 | sugary | sugary | ADJ | Degree=Pos | 29 drinks | amod |
| 28 | acid | acid | NOUN | Number=Sing | 29 drinks | compound |
| 29 | drinks | drink | NOUN | Number=Plur | 31 harm | nsubj |
| 30 | do | do | AUX | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 31 harm | aux |
| 31 | harm | harm | VERB | VerbForm=Inf | 24 myth | advcl |
| 32 | teeth | tooth | NOUN | Number=Plur | 31 harm | obj |
| 33 | over | over | ADP | _ | 34 time | case |
| 34 | time | time | NOUN | Number=Sing | 31 harm | obl |
| 35 | . | . | PUNCT | _ | 2 has | punct |
Pragmatics
- form
- statement
- act
- assert
- voice
- narrator
- polarity
- none
- teacher
- kept the draft
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | present | Cola | a weak acid | vn birth-28.2-1 «NP V NP»: agent=Agent acid=Patient | ||||
| 2 | loosen | present | a weak acid | rust | a nail | slowly property | vn other_cos-45.4 «NP V NP.patient»: agent=Agent rust=Patient | ||
| 3 | dissolve | present | cola | the story | overnight property | vn break-45.1 «NP V NP ADJ»: agent=Agent that=Patient tooth=Result | |||
| 4 | is a | present | the story | a myth | tree rules | ||||
| 5 | harm | present · do-support | sugary acid drinks | teeth | time | vn amuse-31.1 «NP V NP»: agent=Stimulus tooth=Experiencer |
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:014-tarnish-and-how-metals-change.lesson:19.
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 ×2, R7-rel-agree ×2. 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/14-tarnish-and-how-metals-change/19/