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: Bulma: Hey , do n't touch my Pearl !
Son Goku: Is that Pearl yours ?
Bulma: Of course it 's mine , my father gave it to me !
Son Goku: I 've got one at home too !
Bulma: Huh ? Do you really ? Mine has five stars , how many stars does yours have ?
Son Goku: It 's got _ four _ !
Bulma: WOW ! I FOUND IT ! I FOUND IT ! YAY , I FOUND IT !
A:
stars