context: It is certain that Jessica is a mouse. It is almost certain that John discarded the milk. Chances are about even that Bernhard is a frog. There is a very good chance that if either Bernhard is a frog, or John discarded the milk, then Fred is in the park. It is certain that if John discarded the milk, and Bernhard is a frog, then Mary put down the apple. It is probable that if Jessica is a mouse, and John discarded the milk, then Julius is yellow.
hypothesis: It is highly unlikely that jessica is a mouse, or Mary put down the apple.
valid_hypothesis: It is certain that jessica is a mouse, or Mary put down the apple.
invalid_hypothesis: It is highly unlikely that jessica is a mouse, or Mary put down the apple.
hypothesis_assertion: Jessica is a mouse, or Mary put down the apple.