Definition: 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.
Input: Lily:  Remember how in first grade , little boys would chase little girls around the playground , but whenever they 'd catch _ one _ , they 'd get all confused and embarassed and would n't know what to do with them ? That 's ... basically my love life .

girls