premise: A person stands in a vast field of glacial ice. hypothesis: A person stands in a vast field of glacial ice and falls in and dies.
contradiction: Sentence 1: A person is in a large vast field of ice, obviously alone. Sentence 2: A person is standing in a large vast field of ice, obviously alone, so who knows if he dies? Answer: Just because you're standing in vast field of ice and fall in, it doesn't mean you die.