context: There is almost no chance that Bernhard is a lion. It is probably not the case that Greg is a frog. It is unlikely that Fred went to the hallway. We doubt that if Bernhard is a lion, and Fred went to the hallway, then Lily is a rhino. It is impossible that if Greg is a frog, or Fred went to the hallway, then Brian is a swan. We doubt that if Bernhard is a lion, or Greg is a frog, then Daniel left the milk.
hypothesis: It is highly likely that lily is a rhino, and Greg is a frog.
valid_hypothesis: It is impossible that lily is a rhino, and Greg is a frog.
invalid_hypothesis: It is highly likely that lily is a rhino, and Greg is a frog.
hypothesis_assertion: Lily is a rhino, and Greg is a frog.