Given the task definition and input, reply with output. 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.

Karen Collier: She 's gon na have a nervous breakdown .
Jeremy Collier: I know she wants _ one _ . I know she ai n't gon na be happy until she has one .
breakdown