--- title: Why does a carbon dioxide fire extinguisher help on some fires? — The fizz: vinegar, lemon and soda · tree and pragmatics description: Why does a carbon dioxide fire extinguisher help on some fires? Test 10 · ★★ of lesson 18 «The fizz: vinegar, lemon and soda» 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/18-the-fizz-vinegar-lemon-and-soda/t10/) [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/) / [The fizz: vinegar, lemon and soda](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/) / t10 # Test 10 · ★★ · The fizz: vinegar, lemon and soda Why does a carbon dioxide fire extinguisher help on some fires? **Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **What happens:** do, help · **To what, where:** dioxide fire extinguisher, fires This is test 10 · ★★ of lesson 18 «The fizz: vinegar, lemon and soda» of the chemistry 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](https://md.mova.elamur.ai/free/en/school-run/chemistry/18-the-fizz-vinegar-lemon-and-soda/#t10). ## The question {#question} ```conllu # sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t10:1 # text = Why does a carbon dioxide fire extinguisher help on some fires? 1 Why why ADV WRB PronType=Int 2 advmod _ _ 2 does do VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 8 advcl _ _ 3 a a DET DT Definite=Ind|PronType=Art 7 det _ _ 4 carbon carbon NOUN NN Number=Sing 5 compound _ _ 5 dioxide dioxide NOUN NN Number=Sing 7 compound _ _ 6 fire fire NOUN NN Number=Sing 7 compound _ _ 7 extinguisher extinguisher NOUN NN Number=Sing 2 obj _ _ 8 help help VERB VBP Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin 0 root _ _ 9 on on ADP IN _ 11 case _ _ 10 some some DET DT PronType=Ind 11 det _ _ 11 fires fire NOUN NNS Number=Plur 8 obl _ SpaceAfter=No 12 ? ? PUNCT . _ 8 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **do** | present | | a dioxide fire extinguisher | | | | | vn act-114-1 «NP V NP»: agent=Agent extinguisher=Eventuality | | 2 | **help** | present | | | | some fires | | | vn help-72.1-1-1 «NP V PP.theme»: 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. ## The options {#options} ### Option 1 {#o1} The gas burns up the flames' fuel ```conllu # sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t10:o1:1 # text = The gas burns up the flames' fuel 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 gas gas NOUN NN Number=Sing 3 nsubj _ _ 3 burns burn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 up up ADP RP _ 3 compound:prt _ _ 5 the the DET DT Definite=Def|PronType=Art 6 det _ _ 6 flames flame NOUN NNS Number=Plur 8 nmod:poss _ SpaceAfter=No 7 ' 's PART POS _ 6 case _ _ 8 fuel fuel NOUN NN Number=Sing 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **burn up** | present | the gas | the flames's fuel | | | | | vn light\_emission-43.1 «NP V NP.theme»: agent=Agent fuel=Theme | ### Option 2 · ← Mova's choice · ✓ the right answer {#o2} The gas pushes oxygen away from the flames ```conllu # sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t10:o2:1 # text = The gas pushes oxygen away from the flames 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 gas gas NOUN NN Number=Sing 3 nsubj _ _ 3 pushes push VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 oxygen oxygen NOUN NN Number=Sing 3 obj _ _ 5 away away ADV RB _ 3 advmod _ _ 6 from from ADP IN _ 8 case _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 flames flame NOUN NNS Number=Plur 3 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **push away** | present | the gas | oxygen | | the flames | | away *property* | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent oxygen=Theme from flame=Trajectory | ### Option 3 {#o3} The gas cools the fire with ice ```conllu # sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t10:o3:1 # text = The gas cools the fire with ice 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 gas gas NOUN NN Number=Sing 3 nsubj _ _ 3 cools cool VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 the the DET DT Definite=Def|PronType=Art 5 det _ _ 5 fire fire NOUN NN Number=Sing 3 obj _ _ 6 with with ADP IN _ 7 case _ _ 7 ice ice NOUN NN Number=Sing 3 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **cool** | present | the gas | the fire | | | | with ice | vn other\_cos-45.4 «NP V NP PP.instrument»: agent=Agent fire=Patient with ice=Instrument | ### Option 4 {#o4} The gas is wet and soaks the fire like a hose ```conllu # sent_id = question:chemistry:18-the-fizz-vinegar-lemon-and-soda:t10:o4:1 # text = The gas is wet and soaks the fire like a hose 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 gas gas NOUN NN Number=Sing 4 nsubj _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 cop _ _ 4 wet wet ADJ JJ Degree=Pos 0 root _ _ 5 and and CCONJ CC _ 6 cc _ _ 6 soaks soak VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 conj _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 fire fire NOUN NN Number=Sing 6 obj _ _ 9 like like ADP IN _ 11 case _ _ 10 a a DET DT Definite=Ind|PronType=Art 11 det _ _ 11 hose hose NOUN NN Number=Sing 6 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | the gas | | | | | wet *property* | tree rules | | 2 | **soak** | present | the gas *not said here* | the fire | | | | like a hose | vn wipe\_manner-10.4.1 «NP V NP.source»: agent=Agent fire=Source | **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: [The fizz: vinegar, lemon and soda, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t9/) - next →: [The fizz: vinegar, lemon and soda, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/t11/) - ↑ back to [The fizz: vinegar, lemon and soda](https://md.mova.elamur.ai/free/en/corpora/questions/chemistry/18-the-fizz-vinegar-lemon-and-soda/)