Context: Well now that Zoe is a big girl we decided to give a sippy cup a try . There was just some water in it . I can happily report that the sippy cup did not leak , and Zoe enjoyed chewing on it . The amount of water she got from it was probably minimal and ultimately irrelevant .

Question: Why did Zoe enjoy chewing on the sippy cup ?
Options:
0. Because the amount of water she got from it was probably minimal .
1. Because the sippy cup did not leak .
2. Because young children enjoy chewing on things .
3. None of the above choices .
Answer: 2