You are presented with the question "Playing is one way what learn how to behave" and the following answer choices: 
- otters
 - bacteria
 - cats
 - bears
 - ants
 - grass
 - humans
 - bats

Now knowing that playing is one way mammals and other animals learn how to behave and cats are Mammals that Shed Dogs are Mammals that Wag their tails, choose the best answer.


 

   cats      