context: We doubt that Lily is a frog. We doubt that Julius is green. It is probable that Mary got the apple. It is probable that if Lily is a frog, or Mary got the apple, then Brian is a lion. It is probably the case that if Lily is a frog, and Julius is green, then Greg is a rhino. It is impossible that if Julius is green, and Lily is a frog, then Bill went to the garden.
hypothesis: It is impossible that bill went to the garden, and Greg is a rhino.
valid_hypothesis: It is impossible that bill went to the garden, and Greg is a rhino.
invalid_hypothesis: It is likely that bill went to the garden, and Greg is a rhino.
hypothesis_assertion: Bill went to the garden, and Greg is a rhino.