You will be given a definition of a task first, then some input of the task.
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.

Det. Frank Smith: What size do you wear ? _ eight _ , nine ?
Det. Frank Smith: Your
Det. Frank Smith: shoes .
Greg: Seven .
Det. Frank Smith: Seven . That 's cute . Me , I got clown 's feet .
Output:
size