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: Dr. Cockroach Ph.D.:  Forgive him , but as you can see , he has no brain .
B.O.B.: Turns out , you do n't need _ one _ . Totally overrated ! As a matter of fact , I do n't even ... I forgot how to breathe ! Do n't know how to breathe ! Help me , Doctor Cockroach ! Help ! Help !
Dr. Cockroach Ph.D.: Suck in , B.O.B.
B.O.B.: Thanks , Doc . You 're a life saver .

brain