--- title: A bird can sit happily on a power line because it touches only one w… — Electricity and safety · tree and pragmatics description: A bird can sit happily on a power line because it touches only one wire and nothing else, so the electricity has no reason to go through it; a person on a ladder touching a wire and the ground at once gives it a path straight through the body. Who acts: bird, electricity, person. A sentence of the l --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/28-electricity-and-safety/2/) [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/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [Electricity and safety](https://md.mova.elamur.ai/free/en/corpora/school/physics/28-electricity-and-safety/) / 2 # Electricity and safety, sentence 2 A bird can sit happily on a power line because it touches only one wire and nothing else, so the electricity has no reason to go through it; a person on a ladder touching a wire and the ground at once gives it a path straight through the body. **Who acts:** bird, electricity, person · **What happens:** sit, touch, have, go, give · **To what, where:** power line, one wire, reason, Electricity, wire, path This is a sentence of the lesson «Electricity and safety» 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 (bird, electricity, person), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:028-electricity-and-safety.lesson:2 # text = A bird can sit happily on a power line because it touches only one wire and nothing else, so the electricity has no reason to go through it; a person on a ladder touching a wire and the ground at once gives it a path straight through the body. # source = school lesson (ours) # course = physics # lesson = 028-electricity-and-safety.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 ×1, R7-rel-agree ×2 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 bird bird NOUN NN Number=Sing 4 nsubj _ _ 3 can can AUX MD VerbForm=Fin 4 aux _ _ 4 sit sit VERB VB VerbForm=Inf 0 root _ _ 5 happily happily ADV RB _ 4 advmod _ _ 6 on on ADP IN _ 9 case _ _ 7 a a DET DT Definite=Ind|PronType=Art 9 det _ _ 8 power power NOUN NN Number=Sing 9 compound _ _ 9 line line NOUN NN Number=Sing 4 obl _ _ 10 because because SCONJ IN _ 12 mark _ _ 11 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 12 nsubj _ _ 12 touches touch VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 advcl _ _ 13 only only ADV RB _ 14 advmod _ _ 14 one one NUM CD NumForm=Word|NumType=Card 15 nummod _ _ 15 wire wire NOUN NN Number=Sing 12 obj _ _ 16 and and CCONJ CC _ 17 cc _ _ 17 nothing nothing PRON NN Number=Sing|PronType=Neg 15 conj _ _ 18 else else ADV RB _ 17 advmod _ _ 19 , , PUNCT , _ 23 punct _ _ 20 so so ADV RB _ 23 advmod _ _ 21 the the DET DT Definite=Def|PronType=Art 22 det _ _ 22 electricity electricity NOUN NN Number=Sing 23 nsubj _ _ 23 has have VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 parataxis _ Agree=R7-rel-agree|Haiku=4:conj 24 no no DET DT PronType=Neg 25 det _ _ 25 reason reason NOUN NN Number=Sing 23 obj _ _ 26 to to PART TO _ 27 mark _ _ 27 go go VERB VB VerbForm=Inf 25 acl _ _ 28 through through ADP IN _ 29 case _ _ 29 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 27 obl _ _ 30 ; ; PUNCT : _ 32 punct _ _ 31 a a DET DT Definite=Ind|PronType=Art 32 det _ _ 32 person person NOUN NN Number=Sing 4 conj _ _ 33 on on ADP IN _ 35 case _ _ 34 a a DET DT Definite=Ind|PronType=Art 35 det _ _ 35 ladder ladder NOUN NN Number=Sing 32 nmod _ _ 36 touching touch VERB VBG VerbForm=Ger 32 acl _ Agree=R5-strong|Haiku=35:acl 37 a a DET DT Definite=Ind|PronType=Art 38 det _ _ 38 wire wire NOUN NN Number=Sing 36 obj _ _ 39 and and CCONJ CC _ 41 cc _ _ 40 the the DET DT Definite=Def|PronType=Art 41 det _ _ 41 ground ground NOUN NN Number=Sing 38 conj _ _ 42 at at SCONJ IN _ 44 mark _ _ 43 once once ADV RB NumForm=Word|NumType=Mult 44 advmod _ _ 44 gives give VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 advcl _ _ 45 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 44 iobj _ Agree=R7-rel-agree|Haiku=44:obj 46 a a DET DT Definite=Ind|PronType=Art 47 det _ _ 47 path path NOUN NN Number=Sing 44 obj _ _ 48 straight straight ADV RB _ 51 advmod _ _ 49 through through ADP IN _ 51 case _ _ 50 the the DET DT Definite=Def|PronType=Art 51 det _ _ 51 body body NOUN NN Number=Sing 47 nmod _ _ 52 . . PUNCT . _ 4 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **sit** | can | a bird | | | a power line | | happily *property* | vn assuming\_position-50 «NP V PP.location»: agent=Agent on line=Location | | 2 | **touch** | present | bird | one wire | | | | | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme wire=Co-Theme | | 3 | **have** | present | the electricity | no reason | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent reason=Patient | | 4 | **go** | to-infinitive | the electricity *not said here* | no reason *not said here* | | Electricity | | | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme through it=Initial\_Location | | 5 | **touch** | gerund | a person on a ladder *not said here* | a wire and the ground | | | | | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme wire=Co-Theme | | 6 | **give** | present | a bird *not said here* | a path | Electricity | the body | | once *property* | vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent it=Recipient path=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](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:physics:028-electricity-and-safety.lesson:2`. **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 ×1, R7-rel-agree ×2. **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: [Electricity and safety, 1](https://md.mova.elamur.ai/free/en/corpora/school/physics/28-electricity-and-safety/1/) - next →: [Electricity and safety, 3](https://md.mova.elamur.ai/free/en/corpora/school/physics/28-electricity-and-safety/3/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/28-electricity-and-safety/)