premise1: A man wearing a t-shirt that has " gnu " printed on it gives a technology presentation.
premise2: A man in a white t-shirt addresses a crowd.
premise3: A man is speaking in front of an audience.
premise4: Man in a white shirt giving a speech.
premise: A man wearing a t-shirt that has " gnu " printed on it gives a technology presentation. A man in a white t-shirt addresses a crowd. A man is speaking in front of an audience. Man in a white shirt giving a speech.
hypothesis: A group sitting.