Fact 1: Playing is just one of many ways that mammals and other animals learn how to behave.

Fact 2: Mammals include dogs, cats, and horses.

Given the two facts above, answer the question "what uses play as a way to learn how to behave?" with the following options: 
- koalas
 - bears
 - dogs
 - clouds
 - humans
 - otters
 - plants
 - theater


 

   dogs      