--- title: Police dogs are trained to follow a scent trail and to find and hold… — Working dogs: guide, sniffer, sheep, rescue and… · tree and pragmatics description: Police dogs are trained to follow a scent trail and to find and hold people; when they retire they often live with their handler. Who acts: Police dogs, dogs. A sentence of the lesson «Working dogs: guide, sniffer, sheep, rescue and helper dogs» of the biology course of Mova's primary school with it --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs/12/) [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/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Working dogs: guide, sniffer, sheep, r…](https://md.mova.elamur.ai/free/en/corpora/school/biology/196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs/) / 12 # Working dogs: guide, sniffer, sheep, rescue and helper dogs, sentence 12 Police dogs are trained to follow a scent trail and to find and hold people; when they retire they often live with their handler. **Who acts:** Police dogs, dogs · **What happens:** train, follow, find, hold, retire, live · **To what, where:** Police dogs, scent trail, people This is a sentence of the lesson «Working dogs: guide, sniffer, sheep, rescue and helper dogs» of the biology 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 (Police dogs, dogs), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs.lesson:12 # text = Police dogs are trained to follow a scent trail and to find and hold people; when they retire they often live with their handler. # source = school lesson (ours) # course = biology # lesson = 196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs.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 ×1 1 Police police NOUN NNS Number=Plur 2 compound _ _ 2 dogs dog NOUN NNS Number=Plur 4 nsubj:pass _ _ 3 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 aux:pass _ _ 4 trained train VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 5 to to PART TO _ 6 mark _ _ 6 follow follow VERB VB VerbForm=Inf 4 xcomp _ _ 7 a a DET DT Definite=Ind|PronType=Art 9 det _ _ 8 scent scent NOUN NN Number=Sing 9 compound _ _ 9 trail trail NOUN NN Number=Sing 6 obj _ _ 10 and and CCONJ CC _ 12 cc _ _ 11 to to PART TO _ 12 mark _ _ 12 find find VERB VB VerbForm=Inf 6 conj _ _ 13 and and CCONJ CC _ 14 cc _ _ 14 hold hold VERB VB VerbForm=Inf 12 conj _ Agree=R5-strong|Haiku=6:conj 15 people people NOUN NNS Number=Plur 14 obj _ _ 16 ; ; PUNCT , _ 19 punct _ _ 17 when when ADV WRB PronType=Int 19 advmod _ _ 18 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 19 nsubj _ _ 19 retire retire VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 22 advcl _ _ 20 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 22 nsubj _ _ 21 often often ADV RB _ 22 advmod _ _ 22 live live VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 parataxis _ Agree=R7-rel-agree|Haiku=4:conj 23 with with ADP IN _ 25 case _ _ 24 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 25 nmod:poss _ _ 25 handler handler NOUN NN Number=Sing 22 obl _ _ 26 . . 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 | **train** | present · passive | | Police dogs | | | | | vn hire-13.5.3 «NP V NP to be NP»: subject=Theme clause=Attribute | | 2 | **follow** | to-infinitive | Police dogs *not said here* | a scent trail | | | | | vn chase-51.6 «NP V NP»: agent=Agent trail=Theme | | 3 | **find** | to-infinitive | Police dogs *not said here* | | | | | | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent | | 4 | **hold** | infinitive | Police dogs *not said here* | people | | | | | vn keep-15.2 «NP V NP»: agent=Agent people=Theme | | 5 | **retire** | present | dogs *= dog* | | | | | | vn resign-10.11-1 «NP V»: agent=Agent | | 6 | **live** | present | dogs *= dog* | | | | | with dogs's handler; often *property* | vn lodge-46 «NP V PP.location»: agent=Theme with handler=Location | 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:biology:196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs.lesson:12`. **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 ×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: [Working dogs: guide, sniffer, sheep, r…, 11](https://md.mova.elamur.ai/free/en/corpora/school/biology/196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs/11/) - next →: [Working dogs: guide, sniffer, sheep, r…, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs/13/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/196-working-dogs-guide-sniffer-sheep-rescue-and-helper-dogs/)