---
title: Chickens and rabbits: heads and legs — a lesson of Mova's school · trees and pragmatics
description: «Chickens and rabbits: heads and legs», a lesson of the lessons course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: Suppose every animal were a chicken: then there would be 2 legs for each head.
---

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# Chickens and rabbits: heads and legs

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Lesson 166 of the lessons course of Mova's primary school: 4 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0).

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- [0](https://md.mova.elamur.ai/free/en/corpora/school/lessons/166-chickens-and-rabbits/0/) — Suppose every animal were a chicken: then there would be 2 legs for each head.
- [1](https://md.mova.elamur.ai/free/en/corpora/school/lessons/166-chickens-and-rabbits/1/) — Every rabbit adds 2 more legs than that.
- [2](https://md.mova.elamur.ai/free/en/corpora/school/lessons/166-chickens-and-rabbits/2/) — 10 heads and 28 legs: as chickens, 10 heads give 20 legs; there are 8 legs more, and each rabbit adds 2, so there are 8 / 2 = 4 rabbits.
- [3](https://md.mova.elamur.ai/free/en/corpora/school/lessons/166-chickens-and-rabbits/3/) — The rest are chickens: 10 − 4 = 6, and 6 × 2 + 4 × 4 = 28 legs checks it.

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