--- title: Identify the principal cause of the souring of milk left at room tem… — Milk, cheese and yoghurt · tree and pragmatics description: Identify the principal cause of the souring of milk left at room temperature. Exam question 1 of lesson 22 «Milk, cheese and yoghurt» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/chemistry/22-milk-cheese-and-yoghurt/e1/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/) / [Milk, cheese and yoghurt](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/22-milk-cheese-and-yoghurt/) / e1 # Exam question 1 · Milk, cheese and yoghurt Identify the principal cause of the souring of milk left at room temperature. **Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** you, milk · **What happens:** identify, leave, cause, sour · **To what, where:** principal cause, milk, room temperature, souring This is exam question 1 of lesson 22 «Milk, cheese and yoghurt» of the chemistry course of Mova's primary school, asked in stiff, formal language. 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](https://md.mova.elamur.ai/free/en/school-run/chemistry/22-milk-cheese-and-yoghurt/#e1). ## The question {#question} ```conllu # sent_id = question:chemistry:22-milk-cheese-and-yoghurt:e1:1 # text = Identify the principal cause of the souring of milk left at room temperature. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 4 det _ _ 3 principal principal ADJ JJ Degree=Pos 4 amod _ _ 4 cause cause NOUN NN Number=Sing 1 obj _ _ 5 of of ADP IN _ 7 case _ _ 6 the the DET DT Definite=Def|PronType=Art 7 det _ _ 7 souring souring NOUN NN Number=Sing 4 nmod _ _ 8 of of ADP IN _ 9 case _ _ 9 milk milk NOUN NN Number=Sing 7 nmod _ _ 10 left leave VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 9 acl _ _ 11 at at ADP IN _ 13 case _ _ 12 room room NOUN NN Number=Sing 13 compound _ _ 13 temperature temperature NOUN NN Number=Sing 10 obl _ SpaceAfter=No 14 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | the principal cause of the souring of milk | | | | | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent cause=Theme | | 2 | **leave** | participle | | milk *not said here* | | room temperature | | | vn keep-15.2 «NP V NP PP.location»: agent=Agent at temperature=Location | | 3 | **cause** | | | the souring of milk | | | | | nom cause «event transitive»: of=patient | | 4 | **sour** | | milk | | | | | | nom souring «process intransitive»: of=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. ## The options {#options} ### Option 1 {#o1} The milk absorbs acid from the atmosphere ```conllu # sent_id = question:chemistry:22-milk-cheese-and-yoghurt:e1:o1:1 # text = The milk absorbs acid from the atmosphere 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 milk milk NOUN NN Number=Sing 3 nsubj _ _ 3 absorbs absorb VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 acid acid NOUN NN Number=Sing 3 obj _ _ 5 from from ADP IN _ 7 case _ _ 6 the the DET DT Definite=Def|PronType=Art 7 det _ _ 7 atmosphere atmosphere NOUN NN Number=Sing 3 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **absorb** | present | the milk | acid | | the atmosphere | | | vn absorb-39.8 «NP V NP PP.source»: agent=Goal acid=Theme from atmosphere=Source | ### Option 2 {#o2} Oxygen converts the milk into butter ```conllu # sent_id = question:chemistry:22-milk-cheese-and-yoghurt:e1:o2:1 # text = Oxygen converts the milk into butter 1 Oxygen oxygen NOUN NN Number=Sing 2 nsubj _ _ 2 converts convert VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 milk milk NOUN NN Number=Sing 2 obj _ _ 5 into into ADP IN _ 6 case _ _ 6 butter butter NOUN NN Number=Sing 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **convert** | present | Oxygen | the milk | | | | into butter *result* | vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent milk=Patient into butter=Result | ### Option 3 · ← Mova's choice · ✓ the right answer {#o3} Bacteria convert the milk sugar into acid ```conllu # sent_id = question:chemistry:22-milk-cheese-and-yoghurt:e1:o3:1 # text = Bacteria convert the milk sugar into acid 1 Bacteria bacterium NOUN NNS Number=Plur 2 nsubj _ _ 2 convert convert VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 5 det _ _ 4 milk milk NOUN NN Number=Sing 5 compound _ _ 5 sugar sugar NOUN NN Number=Sing 2 obj _ _ 6 into into ADP IN _ 7 case _ _ 7 acid acid NOUN NN Number=Sing 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **convert** | present | Bacteria | the milk sugar | | | | into acid *result* | vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent sugar=Patient into acid=Result | ### Option 4 {#o4} Light converts the milk into lemon juice ```conllu # sent_id = question:chemistry:22-milk-cheese-and-yoghurt:e1:o4:1 # text = Light converts the milk into lemon juice 1 Light light NOUN NN Number=Sing 2 nsubj _ _ 2 converts convert VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 milk milk NOUN NN Number=Sing 2 obj _ _ 5 into into ADP IN _ 7 case _ _ 6 lemon lemon NOUN NN Number=Sing 7 compound _ _ 7 juice juice NOUN NN Number=Sing 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **convert** | present | Light | the milk | | | | into lemon juice *result* | vn turn-26.6.1-1 «NP V NP.patient PP.result»: agent=Agent milk=Patient into juice=Result | **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. - ← previous: [Milk, cheese and yoghurt, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/22-milk-cheese-and-yoghurt/t11/) - next →: [Milk, cheese and yoghurt, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/22-milk-cheese-and-yoghurt/e2/) - ↑ back to [Milk, cheese and yoghurt](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/22-milk-cheese-and-yoghurt/)