--- title: A barcode is a row of black and white lines standing for a number th… — How a factory works: belts, robots, checks and p… · tree and pragmatics description: A barcode is a row of black and white lines standing for a number that a computer looks up; the first product scanned at a shop till by barcode was a pack of chewing gum in 1974. Who acts: barcode, black lines, computer, first product. A sentence of the lesson «How a factory works: belts, robots, ch --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/1-how-a-factory-works/16/) [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/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / [How a factory works: belts, robots, ch…](https://md.mova.elamur.ai/free/en/corpora/school/technology/1-how-a-factory-works/) / 16 # How a factory works: belts, robots, checks and people, sentence 16 A barcode is a row of black and white lines standing for a number that a computer looks up; the first product scanned at a shop till by barcode was a pack of chewing gum in 1974. **Who acts:** barcode, black lines, computer, first product · **What happens:** be, stand, look up, scan · **To what, where:** row, number, first product, shop This is a sentence of the lesson «How a factory works: belts, robots, checks and people» of the technology 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 (barcode, black lines, computer, first product), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:technology:001-how-a-factory-works.lesson:16 # text = A barcode is a row of black and white lines standing for a number that a computer looks up; the first product scanned at a shop till by barcode was a pack of chewing gum in 1974. # source = school lesson (ours) # course = technology # lesson = 001-how-a-factory-works.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, R7-rel-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 barcode barcode NOUN NN Number=Sing 5 nsubj _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 cop _ _ 4 a a DET DT Definite=Ind|PronType=Art 5 det _ _ 5 row row NOUN NN Number=Sing 0 root _ _ 6 of of ADP IN _ 10 case _ _ 7 black black ADJ JJ Degree=Pos 10 amod _ _ 8 and and CCONJ CC _ 9 cc _ _ 9 white white ADJ JJ Degree=Pos 7 conj _ _ 10 lines line NOUN NNS Number=Plur 5 nmod _ _ 11 standing stand VERB VBG VerbForm=Ger 10 acl _ _ 12 for for ADP IN _ 14 case _ _ 13 a a DET DT Definite=Ind|PronType=Art 14 det _ _ 14 number number NOUN NN Number=Sing 11 obl _ _ 15 that that PRON WDT PronType=Rel 18 obj _ _ 16 a a DET DT Definite=Ind|PronType=Art 17 det _ _ 17 computer computer NOUN NN Number=Sing 18 nsubj _ _ 18 looks look VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 14 acl:relcl _ _ 19 up up ADP RP _ 18 compound:prt _ _ 20 ; ; PUNCT , _ 23 punct _ _ 21 the the DET DT Definite=Def|PronType=Art 23 det _ _ 22 first first ADJ JJ Degree=Pos|NumForm=Word|NumType=Ord 23 amod _ _ 23 product product NOUN NN Number=Sing 33 nsubj _ _ 24 scanned scan VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 23 acl _ _ 25 at at ADP IN _ 27 case _ _ 26 a a DET DT Definite=Ind|PronType=Art 27 det _ _ 27 shop shop NOUN NN Number=Sing 24 obl _ _ 28 till till ADP IN _ 33 case _ _ 29 by by ADP IN _ 30 case _ _ 30 barcode barcode NOUN NN Number=Sing 24 obl _ Agree=R5-strong|Haiku=33:obl 31 was be AUX VBD Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin 33 cop _ _ 32 a a DET DT Definite=Ind|PronType=Art 33 det _ _ 33 pack pack NOUN NN Number=Sing 5 parataxis _ Agree=R7-rel-agree|Haiku=5:conj 34 of of ADP IN _ 36 case _ _ 35 chewing chew NOUN NN Number=Sing 36 compound _ _ 36 gum gum NOUN NN Number=Sing 33 nmod _ _ 37 in in ADP IN _ 38 case _ _ 38 1974 1974 NUM CD NumForm=Digit|NumType=Card 36 nmod _ _ 39 . . PUNCT . _ 5 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 | **is a** | present | a barcode | a row | | | | of black lines | tree rules | | 2 | **stand** | gerund | black lines *not said here* | | | | | for a number | vn admire-31.2 «NP V NP PP.attribute»: agent=Experiencer for number=Attribute | | 3 | **look up** | present | a computer | a number | | | | | vn seem-109-1-1 «NP V NP»: agent=Theme that=Attribute | | 4 | **scan** | participle | | the first product *not said here* | | a shop | | by barcode | vn assessment-34.1 «NP V NP»: agent=Agent | | 5 | **is** | past | the first product | | | | till a pack | of chewing gum in 1974 | 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:technology:001-how-a-factory-works.lesson:16`. **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, 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: [How a factory works: belts, robots, ch…, 15](https://md.mova.elamur.ai/free/en/corpora/school/technology/1-how-a-factory-works/15/) - next →: [How a factory works: belts, robots, ch…, 18](https://md.mova.elamur.ai/free/en/corpora/school/technology/1-how-a-factory-works/18/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/1-how-a-factory-works/)