context: It is highly unlikely that Bill went to the bedroom. It is highly unlikely that Mary moved to the garden. It is highly likely that Julius is green. It is impossible that if Mary moved to the garden, or Julius is green, then Winona is a wolf. It is almost certain that if Bill went to the bedroom, or Mary moved to the garden, then Brian is a lion. There is a better than even chance that if Julius is green, or Bill went to the bedroom, then Fred left the football.
hypothesis: There is almost no chance that julius is green, and Fred left the football.
valid_hypothesis: Chances are about even that julius is green, and Fred left the football.
invalid_hypothesis: There is almost no chance that julius is green, and Fred left the football.
hypothesis_assertion: Julius is green, and Fred left the football.