context: There is almost no chance that Julius is a swan. It is probably the case that Mary moved to the office. It is highly unlikely that Greg is a rhino. It is probably not the case that if Mary moved to the office, or Julius is a swan, then Gertrude is a mouse. It is probably the case that if either Mary moved to the office, or Julius is a swan, then Lily is a lion. It is unlikely that if either Mary moved to the office, or Julius is a swan, then John left the football.
hypothesis: It is highly unlikely that lily is a lion, or John left the football.
valid_hypothesis: Chances are about even that lily is a lion, or John left the football.
invalid_hypothesis: It is highly unlikely that lily is a lion, or John left the football.
hypothesis_assertion: Lily is a lion, or John left the football.