--- title: A self-checkout scanner reads barcodes, and a scale checks the weigh… — Self-driving cars and machines that run themselves · tree and pragmatics description: A self-checkout scanner reads barcodes, and a scale checks the weight of each item, which is why it complains about an unexpected item in the bagging area. Who acts: checkout scanner, scale, item. A sentence of the lesson «Self-driving cars and machines that run themselves» of the technology course --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/40-self-driving-cars-and-machines-that-run-themselves/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/) / [Self-driving cars and machines that ru…](https://md.mova.elamur.ai/free/en/corpora/school/technology/40-self-driving-cars-and-machines-that-run-themselves/) / 16 # Self-driving cars and machines that run themselves, sentence 16 A self-checkout scanner reads barcodes, and a scale checks the weight of each item, which is why it complains about an unexpected item in the bagging area. **Who acts:** checkout scanner, scale, item · **What happens:** read, check, be, complain · **To what, where:** barcodes, weight This is a sentence of the lesson «Self-driving cars and machines that run themselves» 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 (checkout scanner, scale, item), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:technology:040-self-driving-cars-and-machines-that-run-themselves.lesson:16 # text = A self-checkout scanner reads barcodes, and a scale checks the weight of each item, which is why it complains about an unexpected item in the bagging area. # source = school lesson (ours) # course = technology # lesson = 040-self-driving-cars-and-machines-that-run-themselves.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): R2-punct-next ×1, R5-strong ×1, R7-rel-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 5 det _ _ 2 self self NOUN NN Number=Sing 4 compound _ Agree=R5-strong|Haiku=5:compound 3 - - PUNCT HYPH _ 2 punct _ _ 4 checkout checkout NOUN NN Number=Sing 5 compound _ _ 5 scanner scanner NOUN NN Number=Sing 6 nsubj _ _ 6 reads read VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 7 barcodes barcode NOUN NNS Number=Plur 6 obj _ _ 8 , , PUNCT , _ 12 punct _ Agree=R2-punct-next|Haiku=6:punct 9 and and CCONJ CC _ 12 cc _ _ 10 a a DET DT Definite=Ind|PronType=Art 11 det _ _ 11 scale scale NOUN NN Number=Sing 12 nsubj _ _ 12 checks check VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 conj _ _ 13 the the DET DT Definite=Def|PronType=Art 14 det _ _ 14 weight weight NOUN NN Number=Sing 12 obj _ _ 15 of of ADP IN _ 17 case _ _ 16 each each DET DT PronType=Tot 17 det _ _ 17 item item NOUN NN Number=Sing 14 nmod _ _ 18 , , PUNCT , _ 21 punct _ _ 19 which which PRON WDT PronType=Rel 21 nsubj _ _ 20 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 21 cop _ _ 21 why why ADV WRB PronType=Int 17 conj _ _ 22 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 23 nsubj _ _ 23 complains complain VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 21 advcl:relcl _ _ 24 about about ADP IN _ 27 case _ _ 25 an a DET DT Definite=Ind|PronType=Art 27 det _ _ 26 unexpected unexpected ADJ JJ Degree=Pos 27 amod _ _ 27 item item NOUN NN Number=Sing 23 obl _ _ 28 in in ADP IN _ 31 case _ _ 29 the the DET DT Definite=Def|PronType=Art 31 det _ _ 30 bagging bag NOUN NN Number=Sing 31 compound _ Agree=R7-rel-agree|Haiku=31:amod|HaikuPos=VERB:VBG:VerbForm=Ger 31 area area NOUN NN Number=Sing 27 nmod _ _ 32 . . PUNCT . _ 6 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **read** | present | a checkout scanner | barcodes | | | | | vn transfer\_mesg-37.1.1-1 «NP V NP»: agent=Agent barcode=Topic | | 2 | **check** | present | a scale | the weight of each item | | | | | vn assessment-34.1 «NP V NP»: agent=Agent weight=Theme | | 3 | **is** | present | each item | | | | | why *property* | tree rules | | 4 | **complain** *speech: other* | present | scale | | | | | about a unexpected item in the bagging area | vn complain-37.8 «NP V PP.topic»: agent=Agent about item=Topic | 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:040-self-driving-cars-and-machines-that-run-themselves.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): R2-punct-next ×1, 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: [Self-driving cars and machines that ru…, 15](https://md.mova.elamur.ai/free/en/corpora/school/technology/40-self-driving-cars-and-machines-that-run-themselves/15/) - next →: [Self-driving cars and machines that ru…, 17](https://md.mova.elamur.ai/free/en/corpora/school/technology/40-self-driving-cars-and-machines-that-run-themselves/17/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/40-self-driving-cars-and-machines-that-run-themselves/)