context: It is highly unlikely that Lily is a frog. It is probably not the case that Julius is gray. Chances are slight that Bernhard is a swan. It is likely that if either Bernhard is a swan, or Julius is gray, then Greg is a lion. It is improbable that if Julius is gray, and Lily is a frog, then Mary went to the office. There is almost no chance that if either Lily is a frog, or Julius is gray, then Sandra got the milk.
hypothesis: There is almost no chance that lily is a frog, and Julius is gray.
valid_hypothesis: There is almost no chance that lily is a frog, and Julius is gray.
invalid_hypothesis: There is a better than even chance that lily is a frog, and Julius is gray.
hypothesis_assertion: Lily is a frog, and Julius is gray.