Task: Wrong Candidate Generation
Input (English): Context: but he say he serious bout hooking up with me . right now we just talkin but later on he wants an answer . idk what to do . i might say yes , but then again i m waitng on somebody else . 
Question: Why do n't I know if I want to hook up with him ? 
Correct Answer: Because I 'm waiting on someone else to hook up with .
Output (English): Because I 'm waiting on him to hook up with .