Final answer:
The subject of this question is English, and the question is asking who the person being referred to killed.
Step-by-step explanation:
The subject of this question is English. The question is related to a conversation or dialogue between characters in a story. Specifically, the question is asking who the person being referred to killed. This can be inferred from statements made by the characters. For example, in one statement, someone denies killing a fat party who was present. Another statement mentions a man coming into the room where the conversation is taking place. All of these clues help to determine the subject of the question.