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: Sanae Mizuno:  It 's about the girl who died in the hospital .
Kouichi Sakakibara: Did you find anything ?
Sanae Mizuno: Her name was Misaki , not Masaki , M - I - S - A - K - I and her last name was Fujioka .
Kouichi Sakakibara: Misaki Fujioka ?
Sanae Mizuno: Why do you want to know about her ?
Kouichi Sakakibara: Um , well ...
Sanae Mizuno: You do n't have to tell me now . But someday , okay ?
Sanae Mizuno: OK
Sanae Mizuno: By the way , the school exams are close , right ?
Sanae Mizuno: Yes
Sanae Mizuno: My younger brother is studying like a crazy too .
Kouichi Sakakibara: You have a brother ?
Sanae Mizuno: Actually , _ two _ . Although that pair are really stubborn to learn . They are not interested at all in the books ! I do n't think they read something different to Manga magazines .

brother