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: Penny:  He 's a really good looking guy and I thought he was kind of cheesy at first .
Dr. Horrible: Trust your instincts .
Penny: But , he turned out to be totally sweet . Sometimes people are layered like that . There 's something totally different underneath than what 's on the surface .
Dr. Horrible: And sometimes there 's a third , even deeper level , and that _ one _ is the same as the top surface one . Like with pie .

level