--- title: Why is putting your ear to a railway line a terrible idea in real li… — Thunder, sirens and how fast sound tra… · tree and pragmatics description: Why is putting your ear to a railway line a terrible idea in real life? Test 3 · ★ of lesson 18 «Thunder, sirens and how fast sound travels» of the physics 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/physics/18-thunder-sirens-and-how-fast-sound-travels/t3/) [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/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/questions/physics/) / [Thunder, sirens and how fast sound tra…](https://md.mova.elamur.ai/free/en/corpora/questions/physics/18-thunder-sirens-and-how-fast-sound-travels/) / t3 # Test 3 · ★ · Thunder, sirens and how fast sound travels Why is putting your ear to a railway line a terrible idea in real life? **Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **What happens:** put · **To what, where:** ear, real life This is test 3 · ★ of lesson 18 «Thunder, sirens and how fast sound travels» of the physics 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/physics/18-thunder-sirens-and-how-fast-sound-travels/#t3). ## The question {#question} ```conllu # sent_id = question:physics:18-thunder-sirens-and-how-fast-sound-travels:t3:1 # text = Why is putting your ear to a railway line a terrible idea in real life? 1 Why why ADV WRB PronType=Int 3 advmod _ _ 2 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 aux _ _ 3 putting put VERB VBG Tense=Pres|VerbForm=Part 0 root _ _ 4 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 5 nmod:poss _ _ 5 ear ear NOUN NN Number=Sing 3 obj _ _ 6 to to ADP IN _ 9 case _ _ 7 a a DET DT Definite=Ind|PronType=Art 9 det _ _ 8 railway railway NOUN NN Number=Sing 9 compound _ _ 9 line line NOUN NN Number=Sing 3 obl _ _ 10 a a DET DT Definite=Ind|PronType=Art 12 det _ _ 11 terrible terrible ADJ JJ Degree=Pos 12 amod _ _ 12 idea idea NOUN NN Number=Sing 3 obj _ _ 13 in in ADP IN _ 15 case _ _ 14 real real ADJ JJ Degree=Pos 15 amod _ _ 15 life life NOUN NN Number=Sing 3 obl _ SpaceAfter=No 16 ? ? PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **put** | present · progressive | | your ear | | real life | | to a railway line | vn invest-13.5.4-1 «NP V NP PP.goal»: agent=Agent ear=Asset idea=Goal | 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 · ← Mova's choice · ✓ the right answer {#o1} Trains are faster and quieter than you think, and railways are deadly ```conllu # sent_id = question:physics:18-thunder-sirens-and-how-fast-sound-travels:t3:o1:1 # text = Trains are faster and quieter than you think, and railways are deadly 1 Trains train NOUN NNS Number=Plur 3 nsubj _ _ 2 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 cop _ _ 3 faster fast ADJ JJR Degree=Cmp 5 advcl _ _ 4 and and CCONJ CC _ 5 cc _ _ 5 quieter quiet ADJ JJR Degree=Cmp 0 root _ _ 6 than than SCONJ IN _ 8 mark _ _ 7 you you PRON PRP Case=Nom|Person=2|PronType=Prs 8 nsubj _ _ 8 think think VERB VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 5 advcl _ SpaceAfter=No 9 , , PUNCT , _ 13 punct _ _ 10 and and CCONJ CC _ 13 cc _ _ 11 railways railway NOUN NNS Number=Plur 13 nsubj _ _ 12 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 13 cop _ _ 13 deadly deadly ADJ JJ Degree=Pos 5 conj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | Trains | | | | | fast *property* | tree rules | | 2 | **think** *speech: other* | present | you | | | | | | vn focus-87.1-1 «NP V»: agent=Agent | | 3 | **is** | present | railways | | | | | deadly *property* | tree rules | ### Option 2 {#o2} Steel carries no sound at all ```conllu # sent_id = question:physics:18-thunder-sirens-and-how-fast-sound-travels:t3:o2:1 # text = Steel carries no sound at all 1 Steel steel NOUN NN Number=Sing 2 nsubj _ _ 2 carries carry VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 no no DET DT PronType=Neg 4 det _ _ 4 sound sound NOUN NN Number=Sing 2 obj _ _ 5 at at ADP IN _ 6 case _ _ 6 all all DET DT PronType=Tot 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **carry** | present | Steel | no sound | | all | | | vn carry-11.4 «NP V NP»: agent=Agent sound=Theme | ### Option 3 {#o3} It works only in old films ```conllu # sent_id = question:physics:18-thunder-sirens-and-how-fast-sound-travels:t3:o3:1 # text = It works only in old films 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 2 nsubj _ _ 2 works work VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 only only ADV RB _ 6 advmod _ _ 4 in in ADP IN _ 6 case _ _ 5 old old ADJ JJ Degree=Pos 6 amod _ _ 6 films film NOUN NNS Number=Plur 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **work** | present | It | | | | | in old films | vn employment-95.3 «NP V PP.theme»: agent=Agent in film=Theme | ### Option 4 {#o4} The rail would freeze your ear ```conllu # sent_id = question:physics:18-thunder-sirens-and-how-fast-sound-travels:t3:o4:1 # text = The rail would freeze your ear 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 rail rail NOUN NN Number=Sing 4 nsubj _ _ 3 would would AUX MD VerbForm=Fin 4 aux _ _ 4 freeze freeze VERB VB VerbForm=Inf 0 root _ _ 5 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 6 ear ear NOUN NN Number=Sing 4 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **freeze** | would | the rail | your ear | | | | | vn other\_cos-45.4-1 «NP V NP ADJ»: agent=Patient ear=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: [Thunder, sirens and how fast sound tra…, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/18-thunder-sirens-and-how-fast-sound-travels/t2/) - next →: [Thunder, sirens and how fast sound tra…, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/18-thunder-sirens-and-how-fast-sound-travels/t4/) - ↑ back to [Thunder, sirens and how fast sound travels](https://md.mova.elamur.ai/free/en/corpora/questions/physics/18-thunder-sirens-and-how-fast-sound-travels/)