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Test 6 · ★★ · Sounds right, but is wrong

The shop assistant: "Up to £15, then half off, £7.50. Bargain, mate." What if the £10 toy went down by half first, then up by half?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: £ toy · What happens: go down

This is test 6 · ★★ of lesson 183 «Sounds right, but is wrong» of the world 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: The shop assistant: "Up to £15, then half off, £7.50.

detcompoundnsubjpunctpunctcaseoblnummodpunctadvmodadvmodconjpunctoblnummodpunctrootTheDETshopNOUNassistantNOUN:PUNCT"PUNCTUpADVtoADP£SYM15NUM,PUNCTthenADVhalfADVoffADV,PUNCT£SYM7.50NUM.PUNCT
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1ThetheDETDefinite=Def PronType=Art3 assistantdet
2shopshopNOUNNumber=Sing3 assistantcompound
3assistantassistantNOUNNumber=Sing6 Upnsubj
4::PUNCT_6 Uppunct
5""PUNCT_6 Uppunct
6UpupADV_rootroot
7totoADP_8 £case
8££SYM_6 Upobl
91515NUMNumForm=Digit NumType=Card8 £nummod
10,,PUNCT_13 offpunct
11thenthenADVPronType=Dem13 offadvmod
12halfhalfADVNumForm=Word NumType=Frac13 offadvmod
13offoffADV_6 Upconj
14,,PUNCT_15 £punct
15££SYM_13 offobl
167.507.50NUMNumForm=Digit NumType=Card15 £nummod
17..PUNCT_6 Uppunct

The frames reader finds no event or fact in this sentence.

Sentence 2: Bargain, mate."

punctconjpunctpunctrootBargainNOUN,PUNCTmateNOUN.PUNCT"PUNCT
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1BargainbargainNOUNNumber=Singrootroot
2,,PUNCT_3 matepunct
3matemateNOUNNumber=Sing1 Bargainconj
4..PUNCT_1 Bargainpunct
5""PUNCT_1 Bargainpunct

The frames reader finds no event or fact in this sentence.

Sentence 3: What if the £10 toy went down by half first, then up by half?

objmarkdetcompoundnummodnsubjadvmodcaseobladvmodpunctadvmodcompound:prtcaseoblpunctrootWhatPRONifSCONJtheDET£SYM10NUMtoyNOUNwentVERBdownADVbyADPhalfNOUNfirstADV,PUNCTthenADVupADPbyADPhalfNOUN?PUNCT
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1WhatwhatPRONPronType=Int7 wentobj
2ififSCONJ_7 wentmark
3thetheDETDefinite=Def PronType=Art6 toydet
4££SYM_6 toycompound
51010NUMNumForm=Digit NumType=Card4 £nummod
6toytoyNOUNNumber=Sing7 wentnsubj
7wentgoVERBMood=Ind Number=Sing Person=3 Tense=Past VerbForm=Finrootroot
8downdownADV_7 wentadvmod
9bybyADP_10 halfcase
10halfhalfNOUNNumber=Sing NumForm=Word NumType=Frac7 wentobl
11firstfirstADVNumForm=Word NumType=Ord7 wentadvmod
12,,PUNCT_14 uppunct
13thenthenADVPronType=Dem14 upadvmod
14upupADP_7 wentcompound:prt
15bybyADP_16 halfcase
16halfhalfNOUNNumber=Sing NumForm=Word NumType=Frac7 wentobl
17??PUNCT_7 wentpunct
#verbtense, moodwhowhat, whomto whomwherewhenotherroles by
1go downpastthe £ toyby half; by half; down, first propertytree rules

The options

Option 1 · ← Mova's choice · ✓ the right answer

£7.50

nummodroot£SYM7.50NUM
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1££SYM_rootroot
27.507.50NUMNumForm=Digit NumType=Card1 £nummod

The frames reader finds no event or fact in this sentence.

Option 2

£15

nummodroot£SYM15NUM
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1££SYM_rootroot
21515NUMNumForm=Digit NumType=Card1 £nummod

The frames reader finds no event or fact in this sentence.

Option 3

£5

nummodroot£SYM5NUM
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1££SYM_rootroot
255NUMNumForm=Digit NumType=Card1 £nummod

The frames reader finds no event or fact in this sentence.

Option 4

£10

nummodroot£SYM10NUM
The words, one row each (CoNLL-U)
#wordlemmaUPOSfeaturesheadrelation
1££SYM_rootroot
21010NUMNumForm=Digit NumType=Card1 £nummod

The frames reader finds no event or fact in this sentence.

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/world/183-sounds-right-but-is-wrong/t6/