--- title: Beaver front teeth are orange because the enamel contains iron, whic… — Animals of North America and Britain: moose, bal… · tree and pragmatics description: Beaver front teeth are orange because the enamel contains iron, which makes it extra strong, they never stop growing, and beavers build dams so the entrance to their lodge stays under water and safe from predators on land. Who acts: Beaver front teeth, enamel, iron, teeth. A sentence of the lesson « --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/80-animals-of-north-america-and-britain/7/) [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/) / [Animals of North America and Britain:…](https://md.mova.elamur.ai/free/en/corpora/school/biology/80-animals-of-north-america-and-britain/) / 7 # Animals of North America and Britain: moose, bald eagles, raccoons, beavers, foxes, badgers, hedgehogs, robins, sentence 7 Beaver front teeth are orange because the enamel contains iron, which makes it extra strong, they never stop growing, and beavers build dams so the entrance to their lodge stays under water and safe from predators on land. **Who acts:** Beaver front teeth, enamel, iron, teeth, beavers, entrance · **What happens:** be, contain, make, not stop, grow, build · **To what, where:** iron, dams, water This is a sentence of the lesson «Animals of North America and Britain: moose, bald eagles, raccoons, beavers, foxes, badgers, hedgehogs, robins» 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 (Beaver front teeth, enamel, iron, teeth), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:080-animals-of-north-america-and-britain.lesson:7 # text = Beaver front teeth are orange because the enamel contains iron, which makes it extra strong, they never stop growing, and beavers build dams so the entrance to their lodge stays under water and safe from predators on land. # source = school lesson (ours) # course = biology # lesson = 080-animals-of-north-america-and-britain.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 ×1, R2-punct-next ×1, R3-conj-first ×1, R5-strong ×1, R7-rel-agree ×1 1 Beaver beaver NOUN NN Number=Sing 3 compound _ _ 2 front front ADJ JJ Degree=Pos 3 amod _ _ 3 teeth tooth NOUN NNS Number=Plur 5 nsubj _ _ 4 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 cop _ _ 5 orange orange ADJ JJ Degree=Pos 0 root _ _ 6 because because SCONJ IN _ 9 mark _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 enamel enamel NOUN NN Number=Sing 9 nsubj _ _ 9 contains contain VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 advcl _ _ 10 iron iron NOUN NN Number=Sing 9 obj _ _ 11 , , PUNCT , _ 13 punct _ _ 12 which which PRON WDT PronType=Rel 13 nsubj _ _ 13 makes make VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 acl:relcl _ Agree=R5-strong|Haiku=9:conj 14 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 13 obj _ _ 15 extra extra ADV RB _ 16 advmod _ _ 16 strong strong ADJ JJ Degree=Pos 13 xcomp _ _ 17 , , PUNCT , _ 20 punct _ Agree=R2-punct-next|Haiku=5:punct 18 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 20 nsubj _ _ 19 never never ADV RB PronType=Neg 20 advmod _ _ 20 stop stop VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 parataxis _ Agree=R7-rel-agree|Haiku=5:conj 21 growing grow VERB VBG VerbForm=Ger 20 xcomp _ _ 22 , , PUNCT , _ 25 punct _ _ 23 and and CCONJ CC _ 25 cc _ _ 24 beavers beaver NOUN NNS Number=Plur 25 nsubj _ _ 25 build build VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 5 conj _ Agree=R3-conj-first|Haiku=20:conj 26 dams dam NOUN NNS Number=Plur 25 obj _ _ 27 so so SCONJ IN _ 33 mark _ _ 28 the the DET DT Definite=Def|PronType=Art 29 det _ _ 29 entrance entrance NOUN NN Number=Sing 33 nsubj _ _ 30 to to ADP IN _ 32 case _ _ 31 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 32 nmod:poss _ _ 32 lodge lodge NOUN NN Number=Sing 29 nmod _ _ 33 stays stay VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 25 advcl _ _ 34 under under ADP IN _ 35 case _ _ 35 water water NOUN NN Number=Sing 33 obl _ _ 36 and and CCONJ CC _ 37 cc _ Agree=R1-cc-next|Haiku=35:cc 37 safe safe ADJ JJ Degree=Pos 35 conj _ _ 38 from from ADP IN _ 39 case _ _ 39 predators predator NOUN NNS Number=Plur 37 obl _ _ 40 on on ADP IN _ 41 case _ _ 41 land land NOUN NN Number=Sing 39 nmod _ _ 42 . . PUNCT . _ 5 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | Beaver front teeth | | | | | orange *property* | tree rules | | 2 | **contain** | present | the enamel | iron | | | | | vn comprise-107.2-2 «NP V NP»: agent=Pivot iron=Theme | | 3 | **make** | present | iron | iron | | | | strong *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset it=Product | | 4 | **not** **stop** | present | teeth *= tooth* | | | | | | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality | | 5 | **grow** | gerund | teeth *= tooth* *not said here* | | | | | | vn appear-48.1.1 «NP V»: agent=Theme | | 6 | **build** | present | beavers | dams | | | | | vn build-26.1-1 «NP V NP»: agent=Agent dam=Product | | 7 | **stay** | present | the entrance to beavers's lodge | | | water | | | vn exist-47.1 «NP V PP.location»: agent=Theme under water=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:080-animals-of-north-america-and-britain.lesson:7`. **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 ×1, R2-punct-next ×1, R3-conj-first ×1, 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: [Animals of North America and Britain:…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/80-animals-of-north-america-and-britain/6/) - next →: [Animals of North America and Britain:…, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/80-animals-of-north-america-and-britain/8/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/80-animals-of-north-america-and-britain/)