--- title: Ostriches do not bury their heads in the sand; they lay their heads… — The savanna: grass, trees and the great herds · tree and pragmatics description: Ostriches do not bury their heads in the sand; they lay their heads flat on the ground to hide and turn their eggs in a nest scraped in the soil. Who acts: Ostriches, toes. A sentence of the lesson «The savanna: grass, trees and the great herds» 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/4-the-savanna/16/) [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 savanna: grass, trees and the grea…](https://md.mova.elamur.ai/free/en/corpora/school/biology/4-the-savanna/) / 16 # The savanna: grass, trees and the great herds, sentence 16 Ostriches do not bury their heads in the sand; they lay their heads flat on the ground to hide and turn their eggs in a nest scraped in the soil. **Who acts:** Ostriches, toes · **What happens:** not bury, lay, hide, turn, scrape · **To what, where:** heads, sand, ground, eggs, nest, soil This is a sentence of the lesson «The savanna: grass, trees and the great herds» 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 (Ostriches, toes), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:004-the-savanna.lesson:16 # text = Ostriches do not bury their heads in the sand; they lay their heads flat on the ground to hide and turn their eggs in a nest scraped in the soil. # source = school lesson (ours) # course = biology # lesson = 004-the-savanna.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): R7-rel-agree ×1 1 Ostriches ostrich NOUN NNS Number=Plur 4 nsubj _ _ 2 do do AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 aux _ _ 3 not not PART RB Polarity=Neg 4 advmod _ _ 4 bury bury VERB VB VerbForm=Inf 0 root _ _ 5 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 6 heads head NOUN NNS Number=Plur 4 obj _ _ 7 in in ADP IN _ 9 case _ _ 8 the the DET DT Definite=Def|PronType=Art 9 det _ _ 9 sand sand NOUN NN Number=Sing 4 obl _ _ 10 ; ; PUNCT , _ 12 punct _ _ 11 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 12 nsubj _ _ 12 lay lay VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 parataxis _ Agree=R7-rel-agree|Haiku=4:conj 13 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 14 nmod:poss _ _ 14 heads head NOUN NNS Number=Plur 12 obj _ _ 15 flat flat ADV RB _ 12 advmod _ _ 16 on on ADP IN _ 18 case _ _ 17 the the DET DT Definite=Def|PronType=Art 18 det _ _ 18 ground ground NOUN NN Number=Sing 12 obl _ _ 19 to to PART TO _ 20 mark _ _ 20 hide hide VERB VB VerbForm=Inf 12 advcl _ _ 21 and and CCONJ CC _ 22 cc _ _ 22 turn turn VERB VB VerbForm=Inf 20 conj _ _ 23 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 24 nmod:poss _ _ 24 eggs egg NOUN NNS Number=Plur 22 obj _ _ 25 in in ADP IN _ 27 case _ _ 26 a a DET DT Definite=Ind|PronType=Art 27 det _ _ 27 nest nest NOUN NN Number=Sing 22 obl _ _ 28 scraped scrape VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 27 acl _ _ 29 in in ADP IN _ 31 case _ _ 30 the the DET DT Definite=Def|PronType=Art 31 det _ _ 31 soil soil NOUN NN Number=Sing 28 obl _ _ 32 . . PUNCT . _ 4 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 | **not** **bury** | present · do-support | Ostriches | toes's heads | | the sand | | | vn put-9.1-1 «NP V NP PP.destination»: agent=Agent head=Theme in sand=Destination | | 2 | **lay** | present | toes *= toe* | toes's heads | | the ground | | flat *property* | vn put\_spatial-9.2 «NP V NP PP.destination»: agent=Agent head=Theme on ground=Destination | | 3 | **hide** | to-infinitive | toes *= toe* *not said here* | | | | | | vn concealment-16-1 «NP V»: agent=Agent | | 4 | **turn** | infinitive | toes *= toe* *not said here* | toes's eggs | | | | in a nest | vn crane-40.3.2 «NP V NP PP.recipient PP.theme»: agent=Agent egg=Patient in nest=Topic | | 5 | **scrape** | participle | | a nest *not said here* | | the soil | | | vn cut-21.1-1 «NP V ADVP-Middle»: agent=Patient | 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:004-the-savanna.lesson:16`. **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): 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: [The savanna: grass, trees and the grea…, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/4-the-savanna/15/) - next →: [The savanna: grass, trees and the grea…, 18](https://md.mova.elamur.ai/free/en/corpora/school/biology/4-the-savanna/18/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/4-the-savanna/)