Playing is just one of many ways that mammals and other animals learn how to behave, and after all, seals are mammals just as humans are mammals. Given these facts, what uses playing as just one of many ways to learn how to behave among the following options:
- athletes
 - Toys
 - sharks
 - Humans
 - Video games
 - exercise
 - people
 - A.I


 

    Humans     