--- title: Identify the region around a star within which liquid water could ex… — Exoplanets and the search for life · tree and pragmatics description: Identify the region around a star within which liquid water could exist on the surface of a planet. Exam question 3 of lesson 26 «Exoplanets and the search for life» of the space course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choic --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/space/26-exoplanets-and-the-search-for-life/e3/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Space](https://md.mova.elamur.ai/free/en/corpora/questions/space/) / [Exoplanets and the search for life](https://md.mova.elamur.ai/free/en/corpora/questions/space/26-exoplanets-and-the-search-for-life/) / e3 # Exam question 3 · Exoplanets and the search for life Identify the region around a star within which liquid water could exist on the surface of a planet. **Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, liquid water · **What happens:** identify, exist · **To what, where:** region, star, surface This is exam question 3 of lesson 26 «Exoplanets and the search for life» of the space course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/space/26-exoplanets-and-the-search-for-life/#e3). ## The question {#question} ```conllu # sent_id = question:space:26-exoplanets-and-the-search-for-life:e3:1 # text = Identify the region around a star within which liquid water could exist on the surface of a planet. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 3 det _ _ 3 region region NOUN NN Number=Sing 1 obj _ _ 4 around around ADP IN _ 6 case _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 star star NOUN NN Number=Sing 1 obl _ _ 7 within within ADP IN _ 8 case _ _ 8 which which PRON WDT PronType=Rel 12 obl _ _ 9 liquid liquid ADJ JJ Degree=Pos 10 amod _ _ 10 water water NOUN NN Number=Sing 12 nsubj _ _ 11 could could AUX MD VerbForm=Fin 12 aux _ _ 12 exist exist VERB VB VerbForm=Inf 1 parataxis _ _ 13 on on ADP IN _ 15 case _ _ 14 the the DET DT Definite=Def|PronType=Art 15 det _ _ 15 surface surface NOUN NN Number=Sing 12 obl _ _ 16 of of ADP IN _ 18 case _ _ 17 a a DET DT Definite=Ind|PronType=Art 18 det _ _ 18 planet planet NOUN NN Number=Sing 15 nmod _ SpaceAfter=No 19 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | the region | | a star | | | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent region=Theme | | 2 | **exist** | could | liquid water | | | the surface of a planet | | | vn exist-47.1 «NP V PP.location»: agent=Theme on surface=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. ## The options {#options} ### Option 1 · ← Mova's choice · ✓ the right answer {#o1} The habitable or Goldilocks zone ```conllu # sent_id = question:space:26-exoplanets-and-the-search-for-life:e3:o1:1 # text = The habitable or Goldilocks zone 1 The the DET DT Definite=Def|PronType=Art 5 det _ _ 2 habitable habitable ADJ JJ Degree=Pos 5 amod _ _ 3 or or CCONJ CC _ 4 cc _ _ 4 Goldilocks Goldilocks PROPN NNP Number=Sing 2 conj _ _ 5 zone zone NOUN NN Number=Sing 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 2 {#o2} The asteroid belt ```conllu # sent_id = question:space:26-exoplanets-and-the-search-for-life:e3:o2:1 # text = The asteroid belt 1 The the DET DT Definite=Def|PronType=Art 3 det _ _ 2 asteroid asteroid NOUN NN Number=Sing 3 compound _ _ 3 belt belt NOUN NN Number=Sing 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 3 {#o3} The corona ```conllu # sent_id = question:space:26-exoplanets-and-the-search-for-life:e3:o3:1 # text = The corona 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 corona corona NOUN NN Number=Sing 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 4 {#o4} The event horizon ```conllu # sent_id = question:space:26-exoplanets-and-the-search-for-life:e3:o4:1 # text = The event horizon 1 The the DET DT Definite=Def|PronType=Art 3 det _ _ 2 event event NOUN NN Number=Sing 3 compound _ _ 3 horizon horizon NOUN NN Number=Sing 0 root _ _ ``` The frames reader finds no event or fact in this sentence. **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. 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