Final answer:
The question is related to Social Studies and could potentially be related to Medicine. It is impossible to determine from the given information whether the Brandy was poisoned or not.
Step-by-step explanation:
The question is related to a scene from a play or a story, so it falls under the subject of Social Studies. However, since the question is asking about a potential poisoning, it could also be related to Medicine. The grade level for this question would be Middle School.
Based on the given information, it is impossible to determine whether the Brandy was poisoned or not. The conversation between the characters suggests that there is suspicion and uncertainty surrounding the Brandy, but it does not provide a definite answer. More information would be needed to determine if the Brandy was indeed poisoned or not.