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: Mr. Freeze:  After I 'm through with this little business , I 'm going to execute my plan for the greatest ice crime in history that will destroy all of Gotham City in a few minutes . And there 'll be no Batman und Robin to stop me . And then , my darling Miss Iceland , you 're temperature will be down to my temperature and you will become Mrs. Freeze .
Miss Iceland: Never ! Not if I live to be a hundred ... below _ zero _ . I 'll never marry you .

temperature