--- title: In the Müller-Lyer illusion, two equal lines look different lengths… — Kind jokes, teasing, pranks, April Fools, illusi… · tree and pragmatics description: In the Müller-Lyer illusion, two equal lines look different lengths because of the arrow ends; a ruler shows the truth. Who acts: two equal lines, ruler. A sentence of the lesson «Kind jokes, teasing, pranks, April Fools, illusions and adverts» of the everyday course of Mova's primary school with it --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/everyday/313-kind-jokes-pranks-april-fools-and-adverts/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/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/school/everyday/) / [Kind jokes, teasing, pranks, April Foo…](https://md.mova.elamur.ai/free/en/corpora/school/everyday/313-kind-jokes-pranks-april-fools-and-adverts/) / 6 # Kind jokes, teasing, pranks, April Fools, illusions and adverts, sentence 6 In the Müller-Lyer illusion, two equal lines look different lengths because of the arrow ends; a ruler shows the truth. **Who acts:** two equal lines, ruler · **What happens:** look, show · **To what, where:** different lengths, Lyer illusion, truth This is a sentence of the lesson «Kind jokes, teasing, pranks, April Fools, illusions and adverts» of the everyday 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 (two equal lines, ruler), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:everyday:313-kind-jokes-pranks-april-fools-and-adverts.lesson:6 # text = In the Müller-Lyer illusion, two equal lines look different lengths because of the arrow ends; a ruler shows the truth. # source = school lesson (ours) # course = everyday # lesson = 313-kind-jokes-pranks-april-fools-and-adverts.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 ×1 1 In in ADP IN _ 6 case _ _ 2 the the DET DT Definite=Def|PronType=Art 6 det _ _ 3 Müller Müller PROPN NNP Number=Sing 5 compound _ _ 4 - - PUNCT HYPH _ 3 punct _ _ 5 Lyer Lyer PROPN NNP Number=Sing 6 compound _ _ 6 illusion illusion NOUN NN Number=Sing 11 obl _ _ 7 , , PUNCT , _ 6 punct _ _ 8 two two NUM CD NumForm=Word|NumType=Card 10 nummod _ _ 9 equal equal ADJ JJ Degree=Pos 10 amod _ _ 10 lines line NOUN NNS Number=Plur 11 nsubj _ _ 11 look look VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 12 different different ADJ JJ Degree=Pos 13 amod _ _ 13 lengths length NOUN NNS Number=Plur 11 obj _ _ 14 because because ADP IN _ 18 case _ _ 15 of of ADP IN _ 14 fixed _ _ 16 the the DET DT Definite=Def|PronType=Art 17 det _ _ 17 arrow arrow NOUN NN Number=Sing 18 compound _ _ 18 ends end NOUN NNS Number=Plur 11 obl _ _ 19 ; ; PUNCT , _ 22 punct _ _ 20 a a DET DT Definite=Ind|PronType=Art 21 det _ _ 21 ruler ruler NOUN NN Number=Sing 22 nsubj _ _ 22 shows show VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 11 parataxis _ Agree=R7-rel-agree|Haiku=11:conj 23 the the DET DT Definite=Def|PronType=Art 24 det _ _ 24 truth truth NOUN NN Number=Sing 22 obj _ _ 25 . . PUNCT . _ 11 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 | **look** | present | two equal lines | different lengths | | the Lyer illusion | because arrow ends | | vn seem-109-1-1 «NP V NP»: agent=Theme length=Attribute | | 2 | **show** | present | a ruler | the truth | | | | | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent truth=Recipient | 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:everyday:313-kind-jokes-pranks-april-fools-and-adverts.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 ×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: [Kind jokes, teasing, pranks, April Foo…, 5](https://md.mova.elamur.ai/free/en/corpora/school/everyday/313-kind-jokes-pranks-april-fools-and-adverts/5/) - next →: [Kind jokes, teasing, pranks, April Foo…, 7](https://md.mova.elamur.ai/free/en/corpora/school/everyday/313-kind-jokes-pranks-april-fools-and-adverts/7/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/everyday/313-kind-jokes-pranks-april-fools-and-adverts/)