context: It is highly unlikely that Julius is gray. It is likely that Bernhard is a lion. It is probably not the case that Brian is a frog. Chances are slight that if Julius is gray, and Brian is a frog, then Daniel left the football. It is probable that if Bernhard is a lion, or Julius is gray, then Mary went to the hallway. It is probably the case that if Julius is gray, and Brian is a frog, then Lily is a frog.
hypothesis: It is impossible that daniel left the football, and Julius is gray.
valid_hypothesis: It is impossible that daniel left the football, and Julius is gray.
invalid_hypothesis: It is probably the case that daniel left the football, and Julius is gray.
hypothesis_assertion: Daniel left the football, and Julius is gray.