Parachutes, skydivers and falling safely, sentence 14
The foam in a bike helmet crushes in a crash and slows the head more gently, so a helmet that has had a big knock should be replaced.
Who acts: foam, helmet · What happens: crush, slow, have, replace · To what, where: crash, head, big knock, helmet
This is a sentence of the lesson «Parachutes, skydivers and falling safely» of the physics 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 (foam, helmet), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | The | the | DET | Definite=Def PronType=Art | 2 foam | det |
| 2 | foam | foam | NOUN | Number=Sing | 7 crushes | nsubj |
| 3 | in | in | ADP | _ | 6 helmet | case |
| 4 | a | a | DET | Definite=Ind PronType=Art | 6 helmet | det |
| 5 | bike | bike | NOUN | Number=Sing | 6 helmet | compound |
| 6 | helmet | helmet | NOUN | Number=Sing | 2 foam | nmod |
| 7 | crushes | crush | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 8 | in | in | ADP | _ | 10 crash | case |
| 9 | a | a | DET | Definite=Ind PronType=Art | 10 crash | det |
| 10 | crash | crash | NOUN | Number=Sing | 7 crushes | obl |
| 11 | and | and | CCONJ | _ | 12 slows | cc |
| 12 | slows | slow | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 7 crushes | conj |
| 13 | the | the | DET | Definite=Def PronType=Art | 14 head | det |
| 14 | head | head | NOUN | Number=Sing | 12 slows | obj |
| 15 | more | more | ADV | Degree=Cmp | 16 gently | advmod |
| 16 | gently | gently | ADV | _ | 12 slows | advmod |
| 17 | , | , | PUNCT | _ | 12 slows | punct |
| 18 | so | so | ADV | _ | 29 replaced | advmod |
| 19 | a | a | DET | Definite=Ind PronType=Art | 20 helmet | det |
| 20 | helmet | helmet | NOUN | Number=Sing | 29 replaced | nsubj:pass |
| 21 | that | that | PRON | PronType=Rel | 23 had | nsubj |
| 22 | has | have | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 23 had | aux |
| 23 | had | have | VERB | Tense=Past VerbForm=Part | 20 helmet | acl:relcl |
| 24 | a | a | DET | Definite=Ind PronType=Art | 26 knock | det |
| 25 | big | big | ADJ | Degree=Pos | 26 knock | amod |
| 26 | knock | knock | NOUN | Number=Sing | 23 had | obj |
| 27 | should | should | AUX | VerbForm=Fin | 29 replaced | aux |
| 28 | be | be | AUX | VerbForm=Inf | 29 replaced | aux:pass |
| 29 | replaced | replace | VERB | Tense=Past VerbForm=Part Voice=Pass | 12 slows | parataxis |
| 30 | . | . | PUNCT | _ | 7 crushes | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | crush | present | the foam in a bike helmet | a crash | vn carve-21.2-1 «NP V ADVP-Middle»: agent=Patient | ||||
| 2 | slow | present | the foam in a bike helmet not said here | the head | gently property | vn other_cos-45.4 «NP V NP.patient»: agent=Agent head=Patient | |||
| 3 | have | present · perfect | a helmet | a big knock | vn birth-28.2-1 «NP V NP»: agent=Agent knock=Patient | ||||
| 4 | replace | should · passive | a helmet | vn substitute-13.6.2-1 «NP V NP»: subject=Co-Theme |
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, 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:physics:003-parachutes-and-falling-safely.lesson:14.
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 ×3, R6-punct-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.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/physics/3-parachutes-and-falling-safely/14/