--- title: Polystyrene, the light white foam used in packing, is mostly trapped… — Water safety and the ocean · tree and pragmatics description: Polystyrene, the light white foam used in packing, is mostly trapped air bubbles, so it floats almost on top of the water, and bits of it pollute the sea for years. Who acts: Polystyrene, bits. A sentence of the lesson «Water safety and the ocean» of the physics course of Mova's primary school with --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/13-water-safety-and-the-ocean/15/) [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/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [Water safety and the ocean](https://md.mova.elamur.ai/free/en/corpora/school/physics/13-water-safety-and-the-ocean/) / 15 # Water safety and the ocean, sentence 15 Polystyrene, the light white foam used in packing, is mostly trapped air bubbles, so it floats almost on top of the water, and bits of it pollute the sea for years. **Who acts:** Polystyrene, bits · **What happens:** use, trap, float, pollute · **To what, where:** light white foam, packing, Polystyrene, top, sea This is a sentence of the lesson «Water safety and the ocean» of the physics 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 (Polystyrene, bits), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:013-water-safety-and-the-ocean.lesson:15 # text = Polystyrene, the light white foam used in packing, is mostly trapped air bubbles, so it floats almost on top of the water, and bits of it pollute the sea for years. # source = school lesson (ours) # course = physics # lesson = 013-water-safety-and-the-ocean.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 1 Polystyrene polystyrene NOUN NN Number=Sing 13 nsubj:pass _ _ 2 , , PUNCT , _ 6 punct _ _ 3 the the DET DT Definite=Def|PronType=Art 6 det _ _ 4 light light ADJ JJ Degree=Pos 6 amod _ _ 5 white white ADJ JJ Degree=Pos 6 amod _ _ 6 foam foam NOUN NN Number=Sing 1 appos _ _ 7 used use VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 6 acl _ _ 8 in in ADP IN _ 9 case _ _ 9 packing packing NOUN NN Number=Sing 7 obl _ _ 10 , , PUNCT , _ 1 punct _ _ 11 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 13 aux:pass _ _ 12 mostly mostly ADV RB _ 13 advmod _ _ 13 trapped trap VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 14 air air NOUN NN Number=Sing 15 compound _ _ 15 bubbles bubble NOUN NNS Number=Plur 13 obj _ _ 16 , , PUNCT , _ 19 punct _ _ 17 so so ADV RB _ 19 advmod _ _ 18 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 19 nsubj _ _ 19 floats float VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 13 conj _ _ 20 almost almost ADV RB _ 22 advmod _ _ 21 on on ADP IN _ 22 case _ _ 22 top top NOUN NN Number=Sing 19 obl _ _ 23 of of ADP IN _ 25 case _ _ 24 the the DET DT Definite=Def|PronType=Art 25 det _ _ 25 water water NOUN NN Number=Sing 22 nmod _ _ 26 , , PUNCT , _ 31 punct _ _ 27 and and CCONJ CC _ 31 cc _ _ 28 bits bit NOUN NNS Number=Plur 31 nsubj _ _ 29 of of ADP IN _ 30 case _ _ 30 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 28 nmod _ _ 31 pollute pollute VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 19 conj _ Agree=R5-strong|Haiku=13:conj|HaikuPos=VERB:VB:VerbForm=Inf 32 the the DET DT Definite=Def|PronType=Art 33 det _ _ 33 sea sea NOUN NN Number=Sing 31 obj _ _ 34 for for ADP IN _ 35 case _ _ 35 years year NOUN NNS Number=Plur 31 obl _ _ 36 . . PUNCT . _ 13 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 | **use** | participle | | the light white foam *not said here* | | packing | | | vn eat-39.1 «NP V»: agent=Agent | | 2 | **trap** | present · passive | | Polystyrene | | | | mostly *property* | tree rules | | 3 | **float** | present | Polystyrene | | | top of the water | | | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on top=Trajectory | | 4 | **pollute** | present | bits of water | the sea | | | year | | tree rules | 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:physics:013-water-safety-and-the-ocean.lesson:15`. **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. **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: [Water safety and the ocean, 14](https://md.mova.elamur.ai/free/en/corpora/school/physics/13-water-safety-and-the-ocean/14/) - next →: [Water safety and the ocean, 16](https://md.mova.elamur.ai/free/en/corpora/school/physics/13-water-safety-and-the-ocean/16/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/13-water-safety-and-the-ocean/)