Student: Premise: "A man wearing sunglasses and a gray t-shirt is sitting in a chair."\nHypothesis: "A man is wearing a gray shirt."\nDo we know that the hypothesis entailed by the premise?.
Teacher: Let's think:

User
We know a man is wearing a gray shirt because it's stated that a man is wearing sunglasses and a gray t-shirt. So the final answer is yes.
Assistant