premise: While one man, in the white cap, is golfing, three other men are in the middle of a conversation. hypothesis: Four guys go bowling at the lanes.
contradiction: In the first sentence one man is golfing while three men converse and in the second sentence four men go golfing.|contradiction: Four guys golfing and conversation.|contradiction: If people are in the middle of a conversation and one person is golfing, then all these people cannot be busy bowling at the same time. One doesn't go golfing at the lanes.