--- title: A cheap ring with copper in it can leave a harmless green mark on sk… — Tarnish and how metals change · tree and pragmatics description: A cheap ring with copper in it can leave a harmless green mark on skin, because sweat with its salt and acid reacts with the copper; the mark simply washes off. Who acts: cheap ring, sweat, mark. A sentence of the lesson «Tarnish and how metals change» of the chemistry course of Mova's primary schoo --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/13/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / [Tarnish and how metals change](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/) / 13 # Tarnish and how metals change, sentence 13 A cheap ring with copper in it can leave a harmless green mark on skin, because sweat with its salt and acid reacts with the copper; the mark simply washes off. **Who acts:** cheap ring, sweat, mark · **What happens:** leave, react, wash off · **To what, where:** harmless green mark, skin 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 (cheap ring, sweat, mark), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:chemistry:014-tarnish-and-how-metals-change.lesson:13 # text = A cheap ring with copper in it can leave a harmless green mark on skin, because sweat with its salt and acid reacts with the copper; the mark simply washes off. # source = school lesson (ours) # course = chemistry # lesson = 014-tarnish-and-how-metals-change.lesson # annotation = 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, R7-rel-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 cheap cheap ADJ JJ Degree=Pos 3 amod _ _ 3 ring ring NOUN NN Number=Sing 0 root _ _ 4 with with ADP IN _ 5 case _ _ 5 copper copper NOUN NN Number=Sing 3 nmod _ _ 6 in in ADP IN _ 7 case _ _ 7 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 5 nmod _ _ 8 can can AUX MD VerbForm=Fin 9 aux _ _ 9 leave leave VERB VB VerbForm=Inf 3 acl _ _ 10 a a DET DT Definite=Ind|PronType=Art 13 det _ _ 11 harmless harmless ADJ JJ Degree=Pos 13 amod _ _ 12 green green ADJ JJ Degree=Pos 13 amod _ Agree=R7-rel-agree|Haiku=13:compound|HaikuPos=NOUN:NN:Number=Sing 13 mark mark NOUN NN Number=Sing 9 obj _ _ 14 on on ADP IN _ 15 case _ _ 15 skin skin NOUN NN Number=Sing 9 obl _ Agree=R5-strong|Haiku=13:nmod 16 , , PUNCT , _ 18 punct _ _ 17 because because SCONJ IN _ 24 mark _ _ 18 sweat sweat NOUN NN Number=Sing 24 nsubj _ _ 19 with with ADP IN _ 21 case _ _ 20 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 21 nmod:poss _ _ 21 salt salt NOUN NN Number=Sing 18 nmod _ _ 22 and and CCONJ CC _ 23 cc _ _ 23 acid acid NOUN NN Number=Sing 21 conj _ _ 24 reacts react VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 9 advcl _ _ 25 with with ADP IN _ 27 case _ _ 26 the the DET DT Definite=Def|PronType=Art 27 det _ _ 27 copper copper NOUN NN Number=Sing 24 obl _ _ 28 ; ; PUNCT , _ 32 punct _ _ 29 the the DET DT Definite=Def|PronType=Art 30 det _ _ 30 mark mark NOUN NN Number=Sing 32 nsubj _ _ 31 simply simply ADV RB _ 32 advmod _ _ 32 washes wash VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 parataxis _ _ 33 off off ADP RP _ 32 compound:prt _ _ 34 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#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 | **leave** | can | a cheap ring with copper in copper *not said here* | a harmless green mark | | skin | | | vn keep-15.2 «NP V NP PP.location»: agent=Agent mark=Theme on skin=Location | | 2 | **react** | present | sweat with copper's salt and acid | | | | | with the copper | vn respond-113 «NP V PP.predicate»: agent=Agent with copper=Eventuality | | 3 | **wash off** | present | the mark | | | | | simply *property* | vn floss-41.2.1 «NP V»: agent=Agent | 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](https://creativecommons.org/licenses/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:13`. **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, R7-rel-agree ×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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Tarnish and how metals change, 12](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/12/) - next →: [Tarnish and how metals change, 15](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/15/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/)