--- title: A magnifying glass can focus sunlight into a hot spot that starts fi… — Lenses and eyes · tree and pragmatics description: A magnifying glass can focus sunlight into a hot spot that starts fires, so it is never pointed at the Sun or at anything living. Who acts: magnifying glass, hot spot. A sentence of the lesson «Lenses and eyes» of the physics course of Mova's primary school with its dependency tree and the pragmatic --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/22-lenses-and-eyes/6/) [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/) / [Lenses and eyes](https://md.mova.elamur.ai/free/en/corpora/school/physics/22-lenses-and-eyes/) / 6 # Lenses and eyes, sentence 6 A magnifying glass can focus sunlight into a hot spot that starts fires, so it is never pointed at the Sun or at anything living. **Who acts:** magnifying glass, hot spot · **What happens:** focus, start, not point, live · **To what, where:** sunlight, hot spot, fires, Sun This is a sentence of the lesson «Lenses and eyes» 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 (magnifying glass, hot spot), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:022-lenses-and-eyes.lesson:6 # text = A magnifying glass can focus sunlight into a hot spot that starts fires, so it is never pointed at the Sun or at anything living. # source = school lesson (ours) # course = physics # lesson = 022-lenses-and-eyes.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 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 magnifying magnify ADJ JJ Degree=Pos 3 amod _ _ 3 glass glass NOUN NN Number=Sing 5 nsubj _ _ 4 can can AUX MD VerbForm=Fin 5 aux _ _ 5 focus focus VERB VB VerbForm=Inf 0 root _ _ 6 sunlight sunlight NOUN NN Number=Sing 5 obj _ _ 7 into into ADP IN _ 10 case _ _ 8 a a DET DT Definite=Ind|PronType=Art 10 det _ _ 9 hot hot ADJ JJ Degree=Pos 10 amod _ _ 10 spot spot NOUN NN Number=Sing 5 obl _ _ 11 that that PRON WDT PronType=Rel 12 nsubj _ _ 12 starts start VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 acl:relcl _ _ 13 fires fire NOUN NNS Number=Plur 12 obj _ _ 14 , , PUNCT , _ 19 punct _ _ 15 so so ADV RB _ 19 advmod _ _ 16 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 19 nsubj:pass _ _ 17 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 19 aux:pass _ _ 18 never never ADV RB PronType=Neg 19 advmod _ _ 19 pointed point VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 5 parataxis _ Agree=R7-rel-agree|Haiku=5:advcl 20 at at ADP IN _ 22 case _ _ 21 the the DET DT Definite=Def|PronType=Art 22 det _ _ 22 Sun Sun PROPN NNP Number=Sing 19 obl _ _ 23 or or CCONJ CC _ 25 cc _ _ 24 at at ADP IN _ 25 case _ _ 25 anything anything PRON NN Number=Sing|PronType=Ind 22 conj _ _ 26 living live VERB VBG VerbForm=Ger 25 acl _ Agree=R7-rel-agree|Haiku=25:amod|HaikuPos=ADJ:JJ:Degree=Pos 27 . . PUNCT . _ 5 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **focus** | can | a magnifying glass | sunlight | | a hot spot | | | tree rules | | 2 | **start** | present | a hot spot | fires | | | | | vn begin-55.1-1-1 «NP V NP»: agent=Agent fire=Eventuality | | 3 | **not** **point** | present · passive | | sunlight | | the Sun | | | vn wink-40.3.1 «NP V NP»: subject=Patient | | 4 | **live** | gerund | | | | | | | vn exist-47.1-1 «NP V»: agent=Theme | 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:022-lenses-and-eyes.lesson:6`. **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: [Lenses and eyes, 5](https://md.mova.elamur.ai/free/en/corpora/school/physics/22-lenses-and-eyes/5/) - next →: [Lenses and eyes, 7](https://md.mova.elamur.ai/free/en/corpora/school/physics/22-lenses-and-eyes/7/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/22-lenses-and-eyes/)