context: It is impossible that Sandra got the football. It is certain that Julius is a frog. It is probably the case that John moved to the garden. It is impossible that if either Sandra got the football, or John moved to the garden, then Bernhard is gray. It is probably the case that if John moved to the garden, and Sandra got the football, then Mary took the milk. There is a very good chance that if John moved to the garden, and Julius is a frog, then Bill went to the kitchen.
hypothesis: It is unlikely that julius is a frog, or John moved to the garden.
valid_hypothesis: It is certain that julius is a frog, or John moved to the garden.
invalid_hypothesis: It is unlikely that julius is a frog, or John moved to the garden.
hypothesis_assertion: Julius is a frog, or John moved to the garden.