context: It is highly likely that John went to the garden. It is unlikely that Bernhard is a frog. It is certain that Sandra took the apple. It is unlikely that if either Bernhard is a frog, or John went to the garden, then Mary put down the milk. We doubt that if Bernhard is a frog, or John went to the garden, then Greg is a lion. We doubt that if John went to the garden, and Bernhard is a frog, then Brian is white.
hypothesis: It is improbable that either Sandra took the apple, or Greg is a lion.
valid_hypothesis: There is a very good chance that either Sandra took the apple, or Greg is a lion.
invalid_hypothesis: It is improbable that either Sandra took the apple, or Greg is a lion.
hypothesis_assertion: Either Sandra took the apple, or Greg is a lion.