--- title: A helmet protects your brain if you fall; it only works if it fits:… — Riding a bike or a scooter safely · tree and pragmatics description: A helmet protects your brain if you fall; it only works if it fits: level on your head, low on your forehead (about two fingers above your eyebrows), straps forming a V under each ear and the chin strap snug, so it does not slide when you shake your head. Who acts: helmet, you, straps. A sentence of --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/everyday/5-bikes-and-scooters/0/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/school/everyday/) / [Riding a bike or a scooter safely](https://md.mova.elamur.ai/free/en/corpora/school/everyday/5-bikes-and-scooters/) / 0 # Riding a bike or a scooter safely, sentence 0 A helmet protects your brain if you fall; it only works if it fits: level on your head, low on your forehead (about two fingers above your eyebrows), straps forming a V under each ear and the chin strap snug, so it does not slide when you shake your head. **Who acts:** helmet, you, straps · **What happens:** protect, fall, work, fit, form, not slide · **To what, where:** brain, level, head, V, ear This is a sentence of the lesson «Riding a bike or a scooter safely» of the everyday course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (helmet, you, straps), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:everyday:005-bikes-and-scooters.lesson:0 # text = A helmet protects your brain if you fall; it only works if it fits: level on your head, low on your forehead (about two fingers above your eyebrows), straps forming a V under each ear and the chin strap snug, so it does not slide when you shake your head. # source = school lesson (ours) # course = everyday # lesson = 005-bikes-and-scooters.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 helmet helmet NOUN NN Number=Sing 3 nsubj _ _ 3 protects protect VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 5 nmod:poss _ _ 5 brain brain NOUN NN Number=Sing 3 obj _ _ 6 if if SCONJ IN _ 8 mark _ _ 7 you you PRON PRP Case=Nom|Person=2|PronType=Prs 8 nsubj _ _ 8 fall fall VERB VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 3 advcl _ _ 9 ; ; PUNCT , _ 12 punct _ _ 10 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 12 nsubj _ _ 11 only only ADV RB _ 12 advmod _ _ 12 works work VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 parataxis _ Agree=R7-rel-agree|Haiku=3:conj 13 if if SCONJ IN _ 15 mark _ _ 14 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 15 nsubj _ _ 15 fits fit VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 12 advcl _ _ 16 : : PUNCT : _ 17 punct _ _ 17 level level NOUN NN Number=Sing 15 obj _ _ 18 on on ADP IN _ 20 case _ _ 19 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 20 nmod:poss _ _ 20 head head NOUN NN Number=Sing 17 nmod _ _ 21 , , PUNCT , _ 22 punct _ _ 22 low low ADJ JJ Degree=Pos 17 conj _ _ 23 on on ADP IN _ 25 case _ _ 24 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 25 nmod:poss _ _ 25 forehead forehead NOUN NN Number=Sing 22 obl _ _ 26 ( ( PUNCT -LRB- _ 29 punct _ _ 27 about about ADV RB _ 28 advmod _ Agree=R5-strong|Haiku=29:case|HaikuPos=ADP:IN:_ 28 two two NUM CD NumForm=Word|NumType=Card 29 nummod _ _ 29 fingers finger NOUN NNS Number=Plur 25 appos _ _ 30 above above ADP IN _ 32 case _ _ 31 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 32 nmod:poss _ _ 32 eyebrows eyebrow NOUN NNS Number=Plur 29 nmod _ _ 33 ) ) PUNCT -RRB- _ 29 punct _ Agree=R6-punct-agree|Haiku=32:punct 34 , , PUNCT , _ 35 punct _ _ 35 straps strap NOUN NNS Number=Plur 17 conj _ _ 36 forming form VERB VBG VerbForm=Ger 35 acl _ _ 37 a a DET DT Definite=Ind|PronType=Art 38 det _ _ 38 V v NOUN NN Number=Sing 36 obj _ _ 39 under under ADP IN _ 41 case _ _ 40 each each DET DT PronType=Tot 41 det _ _ 41 ear ear NOUN NN Number=Sing 36 obl _ _ 42 and and CCONJ CC _ 46 cc _ _ 43 the the DET DT Definite=Def|PronType=Art 45 det _ Agree=R5-strong|Haiku=46:det 44 chin chin NOUN NN Number=Sing 45 compound _ _ 45 strap strap NOUN NN Number=Sing 46 compound _ _ 46 snug snug ADJ JJ Degree=Pos 41 conj _ _ 47 , , PUNCT , _ 52 punct _ _ 48 so so ADV RB _ 52 advmod _ _ 49 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 52 nsubj _ _ 50 does do AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 52 aux _ _ 51 not not PART RB Polarity=Neg 52 advmod _ _ 52 slide slide VERB VB VerbForm=Inf 3 conj _ _ 53 when when ADV WRB PronType=Int 55 advmod _ _ 54 you you PRON PRP Case=Nom|Person=2|PronType=Prs 55 nsubj _ _ 55 shake shake VERB VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 52 advcl _ _ 56 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 57 nmod:poss _ _ 57 head head NOUN NN Number=Sing 55 obj _ _ 58 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **protect** | present | a helmet | your brain | | | | | vn defend-72.3 «NP V NP»: agent=Agent brain=Beneficiary | | 2 | **fall** *a condition, not said to happen* | present | you | | | | | | vn occur-48.3 «NP V»: agent=Theme | | 3 | **work** | present | helmet | | | | | | vn employment-95.3 «NP V»: agent=Agent | | 4 | **fit** *a condition, not said to happen* | present | helmet | level and straps | | your head | | | vn funnel-9.3-1 «NP V NP PP.trajectory»: agent=Agent level=Theme on head=Trajectory | | 5 | **form** | gerund | straps *not said here* | a V | | each ear | | | vn appear-48.1.1 «PP.location V NP»: agent=Location v=Theme | | 6 | **not** **slide** | present · do-support | helmet | | | | | | vn run-51.3.2-2 «NP V»: agent=Theme | | 7 | **shake** | present | you | your head | | | | | vn shake-22.3-2 «NP V NP together»: agent=Agent head=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. **Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:everyday:005-bikes-and-scooters.lesson:0`. **The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R6-punct-agree ×1, R7-rel-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence. See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Climbing trees and playgrounds, 20](https://md.mova.elamur.ai/free/en/corpora/school/everyday/4-climbing/20/) - next →: [Riding a bike or a scooter safely, 1](https://md.mova.elamur.ai/free/en/corpora/school/everyday/5-bikes-and-scooters/1/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/everyday/5-bikes-and-scooters/)