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, what is one way dogs learn to behave?
Choices:
1). exercise;
2). mating;
3). ligt;
4). playing;
5). parties;
6). slumber;
7). firm hugs;
8). Movement;
Answer:
4).