You will be given a definition of a task first, then some input of the task.
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.

Os: The five of you working together are the only thing that can stop Slate .
Ray Jackson: Hey , Os , I only count _ four _ . Where 's our fifth member ?
Os: I killed him .
Output:
member