context: It is certain that Greg is a swan. It is likely that Mary dropped the milk. It is highly unlikely that Julius is green. There is almost no chance that if Mary dropped the milk, and Julius is green, then Winona is a cat. It is impossible that if either Greg is a swan, or Mary dropped the milk, then John went to the hallway. It is probable that if Greg is a swan, and Mary dropped the milk, then Sandra left the football.
hypothesis: It is impossible that julius is green, and John went to the hallway.
valid_hypothesis: It is impossible that julius is green, and John went to the hallway.
invalid_hypothesis: It is probable that julius is green, and John went to the hallway.
hypothesis_assertion: Julius is green, and John went to the hallway.