context: It is unlikely that Lily is green. It is highly unlikely that Mary dropped the milk. It is probably the case that Greg is a rhino. It is probably not the case that if Greg is a rhino, or Mary dropped the milk, then Sandra grabbed the milk. There is a very good chance that if Lily is green, and Mary dropped the milk, then Brian is a frog. There is almost no chance that if Greg is a rhino, and Mary dropped the milk, then John went to the garden.
hypothesis: It is unlikely that greg is a rhino, or Mary dropped the milk.
valid_hypothesis: It is likely that greg is a rhino, or Mary dropped the milk.
invalid_hypothesis: It is unlikely that greg is a rhino, or Mary dropped the milk.
hypothesis_assertion: Greg is a rhino, or Mary dropped the milk.