In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Q: Barbara Brownstein: You know when we get to high school , I 'm taking five AP classes !
Cody Martin: I 'm taking _ six _ ! Steel - toe boots !
A:
classes