context: It is highly likely that Julius is yellow. It is probably the case that John went to the garden. We believe that Lily is a frog. There is almost no chance that if John went to the garden, or Lily is a frog, then Greg is gray. It is certain that if either Julius is yellow, or Lily is a frog, then Gertrude is a mouse. It is highly likely that if John went to the garden, and Julius is yellow, then Brian is a lion.
hypothesis: It is probably not the case that gertrude is a mouse, and Julius is yellow.
valid_hypothesis: It is probably not the case that gertrude is a mouse, and Julius is yellow.
invalid_hypothesis: It is likely that gertrude is a mouse, and Julius is yellow.
hypothesis_assertion: Gertrude is a mouse, and Julius is yellow.