context: It is likely that Julius is a lion. It is probably the case that Brian is green. It is certain that Daniel left the apple.
hypothesis: Chances are about even that brian is green, and Julius is a lion.
valid_hypothesis: Chances are about even that brian is green, and Julius is a lion.
invalid_hypothesis: It is almost certain that brian is green, and Julius is a lion.
hypothesis_assertion: Brian is green, and Julius is a lion.