Test 10 · ★★ · The lemonade stand: cost, price, profit and loss
They buy 20 lemons at 20p but use only 12. Next time, how many should they buy to waste none, if they sell the same?
Mova's choice: option 2 · The right answer: option 2 · right ✓ · Who acts: They, lemons · What happens: buy, use, waste, sell · To what, where: 20 lemons, 20 p, 12, many, none, same
This is test 10 · ★★ of lesson 31 «The lemonade stand: cost, price, profit and loss» of the money 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: They buy 20 lemons at 20p but use only 12.
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | They | they | PRON | Case=Nom Number=Plur Person=3 PronType=Prs | 2 buy | nsubj |
| 2 | buy | buy | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | root | root |
| 3 | 20 | 20 | NUM | NumForm=Digit NumType=Card | 4 lemons | nummod |
| 4 | lemons | lemon | NOUN | Number=Plur | 2 buy | obj |
| 5 | at | at | ADP | _ | 7 p | case |
| 6 | 20 | 20 | NUM | NumForm=Digit NumType=Card | 7 p | nummod |
| 7 | p | p | NOUN | Number=Sing | 2 buy | obl |
| 8 | but | but | CCONJ | _ | 9 use | cc |
| 9 | use | use | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 2 buy | conj |
| 10 | only | only | ADV | _ | 11 12 | advmod |
| 11 | 12 | 12 | NUM | NumForm=Digit NumType=Card | 9 use | obj |
| 12 | . | . | PUNCT | _ | 2 buy | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | buy | present | They | 20 lemons | 20 p | vn get-13.5.1 «NP V NP PP.source NP.asset»: agent=Agent lemon=Theme at p=Asset | |||
| 2 | use | present | They not said here | 12 | vn eat-39.1 «NP V NP»: agent=Agent 12=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.
Sentence 2: Next time, how many should they buy to waste none, if they sell the same?
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | Next | next | ADJ | Degree=Pos | 2 time | amod |
| 2 | time | time | NOUN | Number=Sing | 8 buy | obl:unmarked |
| 3 | , | , | PUNCT | _ | 8 buy | punct |
| 4 | how | how | ADV | PronType=Int | 5 many | advmod |
| 5 | many | many | ADJ | Degree=Pos | 8 buy | obj |
| 6 | should | should | AUX | VerbForm=Fin | 8 buy | aux |
| 7 | they | they | PRON | Case=Nom Number=Plur Person=3 PronType=Prs | 8 buy | nsubj |
| 8 | buy | buy | VERB | VerbForm=Inf | root | root |
| 9 | to | to | PART | _ | 10 waste | mark |
| 10 | waste | waste | VERB | VerbForm=Inf | 8 buy | advcl |
| 11 | none | none | PRON | PronType=Neg | 10 waste | obj |
| 12 | , | , | PUNCT | _ | 15 sell | punct |
| 13 | if | if | SCONJ | _ | 15 sell | mark |
| 14 | they | they | PRON | Case=Nom Number=Plur Person=3 PronType=Prs | 15 sell | nsubj |
| 15 | sell | sell | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 8 buy | conj |
| 16 | the | the | DET | Definite=Def PronType=Art | 17 same | det |
| 17 | same | same | ADJ | Degree=Pos | 15 sell | obj |
| 18 | ? | ? | PUNCT | _ | 8 buy | punct |
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | buy | should | lemons = lemon | many | time | vn accept-77.1 «NP V NP»: agent=Agent many=Theme | |||
| 2 | waste | to-infinitive | lemons = lemon not said here | none | vn destroy-44 «NP V NP»: agent=Agent none=Patient | ||||
| 3 | sell a condition, not said to happen | present | lemons = lemon | the same | vn give-13.1-1 «NP V NP»: agent=Agent same=Theme |
The options
Option 1
20
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 20 | 20 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 2 · ← Mova's choice · ✓ the right answer
12
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 12 | 12 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 3
8
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 8 | 8 | NUM | NumForm=Digit NumType=Card | root | root |
The frames reader finds no event or fact in this sentence.
Option 4
32
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | 32 | 32 | NUM | NumForm=Digit NumType=Card | root | root |
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/money/31-the-lemonade-stand-cost-price-profit-and-loss/t10/