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Gemstones and precious metals, sentence 18

Platinum is rarer than gold and is used in car parts called catalytic converters that clean exhaust fumes.

Who acts: Platinum, car parts, catalytic converters · What happens: be, use, call, clean · To what, where: car parts, catalytic converters, exhaust fumes · Speech: someone speaks here

This is a sentence of the lesson «Gemstones and precious metals» of the geography 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 (Platinum, car parts, catalytic converters), what happens, when and where, as Mova's frames read it from the tree.

The tree

nsubjcopcaseoblccaux:passconjcasecompoundoblaclamodobjnsubjacl:relclcompoundobjpunctrootPlatinumNOUNisAUXrarerADJthanADPgoldNOUNandCCONJisAUXusedVERBinADPcarNOUNpartsNOUNcalledVERBcatalyticADJconvertersNOUNthatPRONcleanVERBexhaustNOUNfumesNOUN.PUNCT
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1PlatinumplatinumNOUNNumber=Sing3 rarernsubj
2isbeAUXMood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin3 rarercop
3rarerrareADJDegree=Cmprootroot
4thanthanADP_5 goldcase
5goldgoldNOUNNumber=Sing3 rarerobl
6andandCCONJ_8 usedcc
7isbeAUXMood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin8 usedaux:pass
8useduseVERBTense=Past VerbForm=Part Voice=Pass3 rarerconj
9ininADP_11 partscase
10carcarNOUNNumber=Sing11 partscompound
11partspartNOUNNumber=Plur8 usedobl
12calledcallVERBTense=Past VerbForm=Part Voice=Pass11 partsacl
13catalyticcatalyticADJDegree=Pos14 convertersamod
14convertersconverterNOUNNumber=Plur12 calledobj
15thatthatPRONPronType=Rel16 cleannsubj
16cleancleanVERBMood=Ind Tense=Pres VerbForm=Fin14 convertersacl:relcl
17exhaustexhaustNOUNNumber=Sing18 fumescompound
18fumesfumeNOUNNumber=Plur16 cleanobj
19..PUNCT_3 rarerpunct

Pragmatics

form
statement
act
assert
voice
narrator
polarity
none
teacher
kept the draft
#verbtense, moodwhowhat, whomto whomwherewhenotherroles by
1ispresentPlatinumthan gold; rare propertytree rules
2usepresent · passivePlatinum not said herecar partsvn eat-39.1 «NP V»
3callparticiplecar parts not said herecatalytic convertersvn initiate_communication-37.4.2-1 «NP V NP.recipient»: agent=Agent converter=Recipient
4cleanpresentcatalytic convertersexhaust fumesvn other_cos-45.4 «NP V NP.patient»: agent=Agent fume=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.

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:geography:051-gemstones-and-precious-metals.lesson:18.

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): no change. 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/geography/51-gemstones-and-precious-metals/18/