context: A man sits on a bench with some bags.
hypothesis: There is almost no chance that a guy is sitting on a bench with his shopping bags and a dog sits by him.
valid_hypothesis: There is almost no chance that a guy is sitting on a bench with his shopping bags and a dog sits by him.
invalid_hypothesis: It is likely that a guy is sitting on a bench with his shopping bags and a dog sits by him.
hypothesis_assertion: A guy is sitting on a bench with his shopping bags and a dog sits by him.