context: It is almost certain that Julius is a frog. There is a very good chance that Mary dropped the milk. It is certain that Daniel left the apple. We believe that if Mary dropped the milk, and Julius is a frog, then Winona is a wolf. There is almost no chance that if either Mary dropped the milk, or Daniel left the apple, then Brian is green. It is highly likely that if Julius is a frog, and Daniel left the apple, then John discarded the milk.
hypothesis: It is improbable that winona is a wolf, or Brian is green.
valid_hypothesis: There is a better than even chance that winona is a wolf, or Brian is green.
invalid_hypothesis: It is improbable that winona is a wolf, or Brian is green.
hypothesis_assertion: Winona is a wolf, or Brian is green.