context: It is probably the case that Sandra took the apple. It is probably the case that John went to the hallway. It is almost certain that Mary moved to the office. It is certain that if Mary moved to the office, and John went to the hallway, then Lily is a lion. It is impossible that if John went to the hallway, or Mary moved to the office, then Julius is white. It is unlikely that if either Sandra took the apple, or Mary moved to the office, then Brian is a swan.
hypothesis: It is impossible that lily is a lion, and Julius is white.
valid_hypothesis: It is impossible that lily is a lion, and Julius is white.
invalid_hypothesis: There is a better than even chance that lily is a lion, and Julius is white.
hypothesis_assertion: Lily is a lion, and Julius is white.