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: David Rossi:  What have you got ?
Derek Morgan: It looks like this guy Talbot had another hobby . The girls in these photos ca n't be more than 16 years old .
David Rossi: Photos ? Morgan , how many are there ?
Derek Morgan: I 'm thinking _ 30 _ , 40 .
Dr. Spencer Reid: Fifty - four .
Derek Morgan: Excuse me . That 's 54 .

Photos