context: It is unlikely that Greg is yellow. There is a very good chance that Sandra left the milk. It is highly likely that Mary went to the garden.
hypothesis: It is certain that sandra left the milk, or Mary went to the garden.
valid_hypothesis: It is certain that sandra left the milk, or Mary went to the garden.
invalid_hypothesis: It is probably not the case that sandra left the milk, or Mary went to the garden.
hypothesis_assertion: Sandra left the milk, or Mary went to the garden.