--- title: The Oort cloud is a vast shell of icy bodies thought to surround the… — Pluto, the Kuiper belt, the Oort cloud and comets · tree and pragmatics description: The Oort cloud is a vast shell of icy bodies thought to surround the Solar System, reaching perhaps a quarter of the way to the nearest star; it has never been seen directly, but scientists think it is there because some comets keep falling in from that far away. Who acts: Oort cloud, scientists, co --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/11/) [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/) / [Space](https://md.mova.elamur.ai/free/en/corpora/school/space/) / [Pluto, the Kuiper belt, the Oort cloud…](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/) / 11 # Pluto, the Kuiper belt, the Oort cloud and comets, sentence 11 The Oort cloud is a vast shell of icy bodies thought to surround the Solar System, reaching perhaps a quarter of the way to the nearest star; it has never been seen directly, but scientists think it is there because some comets keep falling in from that far away. **Who acts:** Oort cloud, scientists, comets · **What happens:** be, think, surround, reach, not see, keep · **To what, where:** vast shell, icy bodies, Solar System, quarter, cloud, that · **Speech:** someone speaks here This is a sentence of the lesson «Pluto, the Kuiper belt, the Oort cloud and comets» of the space 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 (Oort cloud, scientists, comets), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:space:015-pluto-the-kuiper-belt-the-oort-cloud-and-comets.lesson:11 # text = The Oort cloud is a vast shell of icy bodies thought to surround the Solar System, reaching perhaps a quarter of the way to the nearest star; it has never been seen directly, but scientists think it is there because some comets keep falling in from that far away. # source = school lesson (ours) # course = space # lesson = 015-pluto-the-kuiper-belt-the-oort-cloud-and-comets.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 ×2 1 The the DET DT Definite=Def|PronType=Art 3 det _ _ 2 Oort Oort PROPN NNP Number=Sing 3 compound _ _ 3 cloud cloud NOUN NN Number=Sing 7 nsubj _ _ 4 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 7 cop _ _ 5 a a DET DT Definite=Ind|PronType=Art 7 det _ _ 6 vast vast ADJ JJ Degree=Pos 7 amod _ _ 7 shell shell NOUN NN Number=Sing 0 root _ _ 8 of of ADP IN _ 10 case _ _ 9 icy icy ADJ JJ Degree=Pos 10 amod _ _ 10 bodies body NOUN NNS Number=Plur 7 nmod _ _ 11 thought think VERB VBN Tense=Past|VerbForm=Part 10 acl _ _ 12 to to PART TO _ 13 mark _ _ 13 surround surround VERB VB VerbForm=Inf 11 xcomp _ _ 14 the the DET DT Definite=Def|PronType=Art 16 det _ _ 15 Solar solar PROPN NNP Number=Sing 16 compound _ Agree=R7-rel-agree|Haiku=16:amod|HaikuPos=ADJ:JJ:Degree=Pos 16 System System PROPN NNP Number=Sing 13 obj _ _ 17 , , PUNCT , _ 18 punct _ _ 18 reaching reach VERB VBG Tense=Pres|VerbForm=Part 13 advcl _ _ 19 perhaps perhaps ADV RB _ 21 advmod _ _ 20 a a DET DT Definite=Ind|PronType=Art 21 det _ _ 21 quarter quarter NOUN NN Number=Sing 18 obj _ _ 22 of of ADP IN _ 24 case _ _ 23 the the DET DT Definite=Def|PronType=Art 24 det _ _ 24 way way NOUN NN Number=Sing 21 nmod _ _ 25 to to ADP IN _ 28 case _ _ 26 the the DET DT Definite=Def|PronType=Art 28 det _ _ 27 nearest near ADJ JJS Degree=Sup 28 amod _ _ 28 star star NOUN NN Number=Sing 24 nmod _ _ 29 ; ; PUNCT , _ 34 punct _ _ 30 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 34 nsubj:pass _ _ 31 has have AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 34 aux _ _ 32 never never ADV RB PronType=Neg 34 advmod _ _ 33 been be AUX VBN Tense=Past|VerbForm=Part 34 aux:pass _ _ 34 seen see VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 13 advcl _ _ 35 directly directly ADV RB _ 34 advmod _ _ 36 , , PUNCT , _ 39 punct _ _ 37 but but CCONJ CC _ 39 cc _ _ 38 scientists scientist NOUN NNS Number=Plur 39 nsubj _ _ 39 think think VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 7 parataxis _ _ 40 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 39 obj _ _ 41 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 42 cop _ _ 42 there there ADV RB PronType=Dem 39 ccomp _ Agree=R7-rel-agree|Haiku=39:advmod 43 because because SCONJ IN _ 46 mark _ _ 44 some some DET DT PronType=Ind 45 det _ _ 45 comets comet NOUN NNS Number=Plur 46 nsubj _ _ 46 keep keep VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 39 advcl _ _ 47 falling fall VERB VBG Tense=Pres|VerbForm=Part 46 xcomp _ _ 48 in in ADV RB _ 47 advmod _ _ 49 from from ADP IN _ 50 case _ _ 50 that that PRON DT Number=Sing|PronType=Dem 47 obl _ _ 51 far far ADV RB Degree=Pos 52 advmod _ _ 52 away away ADV RB _ 47 advmod _ _ 53 . . PUNCT . _ 7 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 | the Oort cloud | a vast shell | | | | of icy bodies | tree rules | | 2 | **think** *speech: other* | participle | | icy bodies *not said here* | | | | | vn consider-29.9-2 «NP V how S\_INF»: agent=Agent clause=Theme | | 3 | **surround** | to-infinitive | | the Solar System | | | | | vn contiguous\_location-47.8 «NP V NP»: agent=Theme system=Co-Theme | | 4 | **reach** | gerund | | a quarter of the way to the nearest star | | | | | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent quarter=Theme | | 5 | **not** **see** | present · perfect · passive | | cloud | | | | directly *property* | vn comprehend-87.2-1-1 «NP V NP»: subject=Stimulus | | 6 | **think** *speech: other* | present | scientists | cloud | | | | | vn wish-62 «NP V NP»: agent=Pivot it=Theme | | 7 | **is** | present | | | | | | there *property* | tree rules | | 8 | **keep** | present | some comets | | | | | | tree rules | | 9 | **fall in** | gerund | some comets *not said here* | | | that | | away *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme from that=Initial\_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:space:015-pluto-the-kuiper-belt-the-oort-cloud-and-comets.lesson:11`. **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 ×2. **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: [Pluto, the Kuiper belt, the Oort cloud…, 10](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/10/) - next →: [Pluto, the Kuiper belt, the Oort cloud…, 12](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/12/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/15-pluto-the-kuiper-belt-the-oort-cloud-and-comets/)