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: Gwendolyn Pigeon:  It 's like Equatorial Africa on our side of the building .
Cecily Pigeon: Well , last night it was so bad , Gwen and I sat there in Nature 's own cooling ourselves in front of the open fridge . Can you imagine such a thing ?
Oscar Madison: Well , I 'm working on it .
Gwendolyn Pigeon: Actually , it 's impossible to get a night 's sleep . Ces and I really do n't know what to do about it .
Oscar Madison: Why do n't you sleep with an air conditioner ?
Gwendolyn Pigeon: Well , we haven't got _ one _ .
Oscar Madison: I know , but we have .

conditioner