context: There is almost no chance that Mary moved to the garden. It is probably the case that Winona is a mouse. Chances are about even that John grabbed the milk. It is improbable that if Winona is a mouse, and Mary moved to the garden, then Jeff discarded the apple. It is unlikely that if either John grabbed the milk, or Mary moved to the garden, then Greg is a frog. It is probable that if either Winona is a mouse, or John grabbed the milk, then Lily is yellow.
hypothesis: There is almost no chance that lily is yellow, and Greg is a frog.
valid_hypothesis: There is almost no chance that lily is yellow, and Greg is a frog.
invalid_hypothesis: There is a very good chance that lily is yellow, and Greg is a frog.
hypothesis_assertion: Lily is yellow, and Greg is a frog.