--- title: Air is a mixture of gases: about four fifths is nitrogen, about one… — Air and why we need it · tree and pragmatics description: Air is a mixture of gases: about four fifths is nitrogen, about one fifth is oxygen, and the rest is a little argon, a tiny amount of carbon dioxide and some water vapour. Who acts: Air, one fifth, rest. A sentence of the lesson «Air and why we need it» of the world course of Mova's primary school w --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/17-air-oxygen-carbon-dioxide/0/) [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/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [Air and why we need it](https://md.mova.elamur.ai/free/en/corpora/school/world/17-air-oxygen-carbon-dioxide/) / 0 # Air and why we need it, sentence 0 Air is a mixture of gases: about four fifths is nitrogen, about one fifth is oxygen, and the rest is a little argon, a tiny amount of carbon dioxide and some water vapour. **Who acts:** Air, one fifth, rest · **What happens:** be, amount · **To what, where:** mixture, nitrogen, oxygen, little argon, carbon dioxide This is a sentence of the lesson «Air and why we need it» of the world 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 (Air, one fifth, rest), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:world:017-air-oxygen-carbon-dioxide.lesson:0 # text = Air is a mixture of gases: about four fifths is nitrogen, about one fifth is oxygen, and the rest is a little argon, a tiny amount of carbon dioxide and some water vapour. # source = school lesson (ours) # course = world # lesson = 017-air-oxygen-carbon-dioxide.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 ×3, R7-rel-agree ×1 1 Air air NOUN NN Number=Sing 4 nsubj _ _ 2 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 cop _ _ 3 a a DET DT Definite=Ind|PronType=Art 4 det _ _ 4 mixture mixture NOUN NN Number=Sing 0 root _ _ 5 of of ADP IN _ 6 case _ _ 6 gases gas NOUN NNS Number=Plur 4 nmod _ _ 7 : : PUNCT : _ 10 punct _ _ 8 about about ADV RB _ 9 advmod _ Agree=R5-strong|Haiku=10:case|HaikuPos=ADP:IN:_ 9 four four NUM CD NumForm=Word|NumType=Card 10 nummod _ _ 10 fifths fifth NOUN NNS Number=Plur 4 appos _ _ 11 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 12 cop _ _ 12 nitrogen nitrogen NOUN NN Number=Sing 10 appos _ _ 13 , , PUNCT , _ 18 punct _ _ 14 about about ADV RB _ 15 advmod _ Agree=R5-strong|Haiku=18:case|HaikuPos=ADP:IN:_ 15 one one NUM CD NumForm=Word|NumType=Card 16 nummod _ Agree=R5-strong|Haiku=18:nsubj 16 fifth fifth NOUN NN Number=Sing 18 nsubj _ Agree=R7-rel-agree|Haiku=18:compound 17 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 18 cop _ _ 18 oxygen oxygen NOUN NN Number=Sing 10 conj _ _ 19 , , PUNCT , _ 26 punct _ _ 20 and and CCONJ CC _ 26 cc _ _ 21 the the DET DT Definite=Def|PronType=Art 22 det _ _ 22 rest rest NOUN NN Number=Sing 26 nsubj _ _ 23 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 26 cop _ _ 24 a a DET DT Definite=Ind|PronType=Art 26 det _ _ 25 little little ADJ JJ Degree=Pos 26 amod _ _ 26 argon argon NOUN NN Number=Sing 4 conj _ _ 27 , , PUNCT , _ 30 punct _ _ 28 a a DET DT Definite=Ind|PronType=Art 30 det _ _ 29 tiny tiny ADJ JJ Degree=Pos 30 amod _ _ 30 amount amount NOUN NN Number=Sing 26 appos _ _ 31 of of ADP IN _ 33 case _ _ 32 carbon carbon NOUN NN Number=Sing 33 compound _ _ 33 dioxide dioxide NOUN NN Number=Sing 30 nmod _ _ 34 and and CCONJ CC _ 37 cc _ _ 35 some some DET DT PronType=Ind 37 det _ _ 36 water water NOUN NN Number=Sing 37 compound _ _ 37 vapour vapour NOUN NN Number=Sing 33 conj _ _ 38 . . 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 | **is a** | present | Air | a mixture and a little argon | | | | of gases | tree rules | | 2 | **is a** | present | | nitrogen | | | | | tree rules | | 3 | **is a** | present | one fifth | oxygen | | | | | tree rules | | 4 | **is a** | present | the rest | a little argon | | | | | tree rules | | 5 | **amount** | | | carbon dioxide and some water vapour | | | | | nom amount «possession transitive»: of=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:world:017-air-oxygen-carbon-dioxide.lesson:0`. **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 ×3, 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: [Climate zones, 14](https://md.mova.elamur.ai/free/en/corpora/school/world/16-climate-zones/14/) - next →: [Air and why we need it, 1](https://md.mova.elamur.ai/free/en/corpora/school/world/17-air-oxygen-carbon-dioxide/1/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/17-air-oxygen-carbon-dioxide/)