context: It is impossible that Antoine is hungry. It is highly likely that Daniel got the milk. We believe that Fred is in the school. It is certain that if Antoine is hungry, or Fred is in the school, then Greg is a frog. It is probably the case that if Fred is in the school, and Antoine is hungry, then Lily is a lion. It is likely that if Antoine is hungry, or Daniel got the milk, then Bernhard is a rhino.
hypothesis: We believe that either Antoine is hungry, or Greg is a frog.
valid_hypothesis: We believe that either Antoine is hungry, or Greg is a frog.
invalid_hypothesis: There is almost no chance that either Antoine is hungry, or Greg is a frog.
hypothesis_assertion: Either Antoine is hungry, or Greg is a frog.