Task: Wrong Candidate Generation
Input (English): Context: It hurt . Terribly . The blonde grimaced as a stream of blood dripped down his arm , splashing onto the floor . Mello gripped his shirt and pulled it over his head , falling back against the wall a moment as the sleeve was peeled off . 
Question: What may be the reason why he fell back against the wall ? 
Correct Answer: Because he lost his balance .
Output (English): Because it helps the pain .