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: Sandy:  These shoes are too big . I 'm swimming in them .
Al: Well , that 'll explain the life preserver under your dress .
Sandy: I 'm going out on a limb here . You never been employee of the month .
Al: That 's right , but if I were you I would n't go out on any limbs .
Sandy: Look , I 'm a size five , and you are going to sell me a _ five _ if I have to sit here all night !
Al: So because you 're mad at me , you 're going to take it out on a perfectly innocent chair . The chair has suffered enough already .
Sandy: Well , I have had enough of you !
Al: Well , you would n't say that if I brought you fries and a medium drink . You know medium , the sizes between small and you !
Sandy: I 'm not leaving here until you help me .
Al: Well I do n't know what I can do , but I 'll give it a shot .

size