context: It is unlikely that Mary went to the garden. There is almost no chance that Julius is a frog. It is impossible that Antoine is hungry. Chances are about even that if Antoine is hungry, and Julius is a frog, then Brian is a swan. It is probably not the case that if Antoine is hungry, and Julius is a frog, then John picked up the apple. There is a better than even chance that if Antoine is hungry, or Mary went to the garden, then Lily is yellow.
hypothesis: It is certain that julius is a frog, and Mary went to the garden.
valid_hypothesis: It is impossible that julius is a frog, and Mary went to the garden.
invalid_hypothesis: It is certain that julius is a frog, and Mary went to the garden.
hypothesis_assertion: Julius is a frog, and Mary went to the garden.