Fact 1: Playing is one way mammals and other animals learn how to behave.

Fact 2: Cats are Mammals that Shed Dogs are Mammals that Wag their tails.

Given the two facts above, answer the question "Playing is one way what learn how to behave" with the following options: 
- otters
 - bacteria
 - cats
 - bears
 - ants
 - grass
 - humans
 - bats


 

   cats      