--- title: Pigeons nest on station ledges as their rock dove ancestors nested o… — The city as a habitat · tree and pragmatics description: Pigeons nest on station ledges as their rock dove ancestors nested on sea cliffs, peregrine falcons nest on cathedral towers and dive on those pigeons, and foxes trot down quiet streets at night. Who acts: Pigeons, dove ancestors, peregrine falcons, foxes. A sentence of the lesson «The city as a hab --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/14-the-city-as-a-habitat/1/) [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/) / [The city as a habitat](https://md.mova.elamur.ai/free/en/corpora/school/biology/14-the-city-as-a-habitat/) / 1 # The city as a habitat, sentence 1 Pigeons nest on station ledges as their rock dove ancestors nested on sea cliffs, peregrine falcons nest on cathedral towers and dive on those pigeons, and foxes trot down quiet streets at night. **Who acts:** Pigeons, dove ancestors, peregrine falcons, foxes · **What happens:** nest, dive, trot · **To what, where:** station ledges, sea cliffs, cathedral towers, pigeons, quiet streets This is a sentence of the lesson «The city as a habitat» 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 (Pigeons, dove ancestors, peregrine falcons, foxes), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:014-the-city-as-a-habitat.lesson:1 # text = Pigeons nest on station ledges as their rock dove ancestors nested on sea cliffs, peregrine falcons nest on cathedral towers and dive on those pigeons, and foxes trot down quiet streets at night. # source = school lesson (ours) # course = biology # lesson = 014-the-city-as-a-habitat.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): R1-cc-next ×2, R5-strong ×1, R6-punct-agree ×1 1 Pigeons pigeon NOUN NNS Number=Plur 2 nsubj _ _ 2 nest nest VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 on on ADP IN _ 5 case _ _ 4 station station NOUN NN Number=Sing 5 compound _ _ 5 ledges ledge NOUN NNS Number=Plur 2 obl _ _ 6 as as SCONJ IN _ 11 case _ _ 7 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 10 nmod:poss _ _ 8 rock rock NOUN NN Number=Sing 9 compound _ Agree=R5-strong|Haiku=10:compound 9 dove dove NOUN NN Number=Sing 10 compound _ _ 10 ancestors ancestor NOUN NNS Number=Plur 11 nsubj _ _ 11 nested nest VERB VBD Mood=Ind|Tense=Past|VerbForm=Fin 2 advcl _ _ 12 on on ADP IN _ 14 case _ _ 13 sea sea NOUN NN Number=Sing 14 compound _ _ 14 cliffs cliff NOUN NNS Number=Plur 11 obl _ _ 15 , , PUNCT , _ 18 punct _ Agree=R6-punct-agree|Haiku=17:punct 16 peregrine peregrine NOUN NN Number=Sing 17 compound _ _ 17 falcons falcon NOUN NNS Number=Plur 18 nsubj _ _ 18 nest nest VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 conj _ _ 19 on on ADP IN _ 21 case _ _ 20 cathedral cathedral NOUN NN Number=Sing 21 compound _ _ 21 towers tower NOUN NNS Number=Plur 18 obl _ _ 22 and and CCONJ CC _ 23 cc _ Agree=R1-cc-next|Haiku=18:cc 23 dive dive VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 18 conj _ _ 24 on on ADP IN _ 26 case _ _ 25 those that DET DT Number=Plur|PronType=Dem 26 det _ _ 26 pigeons pigeon NOUN NNS Number=Plur 23 obl _ _ 27 , , PUNCT , _ 30 punct _ _ 28 and and CCONJ CC _ 30 cc _ Agree=R1-cc-next|Haiku=2:cc 29 foxes fox NOUN NNS Number=Plur 30 nsubj _ _ 30 trot trot VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 conj _ _ 31 down down ADP IN _ 33 case _ _ 32 quiet quiet ADJ JJ Degree=Pos 33 amod _ _ 33 streets street NOUN NNS Number=Plur 30 obl _ _ 34 at at ADP IN _ 35 case _ _ 35 night night NOUN NN Number=Sing 30 obl _ _ 36 . . PUNCT . _ 2 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **nest** | present | Pigeons | | | station ledges | | | vn berry-13.7 «NP V»: agent=Agent | | 2 | **nest** | past | Pigeons's dove ancestors | | | sea cliffs | | | vn berry-13.7 «NP V»: agent=Agent | | 3 | **nest** | present | peregrine falcons | | | cathedral towers | | | vn berry-13.7 «NP V»: agent=Agent | | 4 | **dive** | present | peregrine falcons *not said here* | | | that pigeons | | | vn search-35.2 «NP V PP.location»: agent=Agent on pigeon=Location | | 5 | **trot** | present | foxes | | | quiet streets | night | | vn run-51.3.2-2 «NP V PP.location»: agent=Theme down street=Trajectory | 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:014-the-city-as-a-habitat.lesson:1`. **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): R1-cc-next ×2, R5-strong ×1, 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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [The city as a habitat, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/14-the-city-as-a-habitat/0/) - next →: [The city as a habitat, 2](https://md.mova.elamur.ai/free/en/corpora/school/biology/14-the-city-as-a-habitat/2/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/14-the-city-as-a-habitat/)