context: It is improbable that Bernhard is a rhino. It is impossible that Mary went to the office. There is a better than even chance that Greg is white. It is improbable that if either Mary went to the office, or Greg is white, then John left the football. It is likely that if either Bernhard is a rhino, or Greg is white, then Lily is a lion. It is probably the case that if Greg is white, and Bernhard is a rhino, then Sandra got the apple.
hypothesis: There is a better than even chance that lily is a lion, and John left the football.
valid_hypothesis: It is highly unlikely that lily is a lion, and John left the football.
invalid_hypothesis: There is a better than even chance that lily is a lion, and John left the football.
hypothesis_assertion: Lily is a lion, and John left the football.