context: It is almost certain that Greg is yellow. It is impossible that Lily is a frog. There is almost no chance that Bill left the milk.
hypothesis: It is almost certain that bill left the milk, or Greg is yellow.
valid_hypothesis: It is almost certain that bill left the milk, or Greg is yellow.
invalid_hypothesis: It is unlikely that bill left the milk, or Greg is yellow.
hypothesis_assertion: Bill left the milk, or Greg is yellow.