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: Lynda:  There 's 100 different games
The Doctor: Like what ?
Lynda: There 's 10 floors of Big Brother , there 's a different house behind each of these doors , and then beyond that there 's all sorts of shows . It 's nonstop . There 's Call My Bluff , with real guns . Countdown , where you got 30 seconds to stop the bomb going off . Ground Force , which is a nasty _ one _ . You get turned into compost . Wipeout , speaks for itself . Oh , and Starts in Their Eyes , literally , stars in their eyes . If you do n't sing , you get blinded .
The Doctor: And you watch this stuff ?

Force