context: It is highly unlikely that Mary went to the kitchen. It is impossible that Greg is a swan. It is likely that Brian is a frog. It is certain that if either Brian is a frog, or Greg is a swan, then Lily is white. It is probably not the case that if Greg is a swan, and Brian is a frog, then Winona is a mouse. It is probably not the case that if either Brian is a frog, or Greg is a swan, then Daniel left the football.
hypothesis: There is a better than even chance that lily is white, and Winona is a mouse.
valid_hypothesis: It is impossible that lily is white, and Winona is a mouse.
invalid_hypothesis: There is a better than even chance that lily is white, and Winona is a mouse.
hypothesis_assertion: Lily is white, and Winona is a mouse.