context: There is a better than even chance that Greg is a frog. It is improbable that Mary put down the milk. There is almost no chance that Brian is a swan. It is likely that if Greg is a frog, and Mary put down the milk, then Julius is yellow. It is probably the case that if Greg is a frog, or Brian is a swan, then John went to the kitchen. There is almost no chance that if Mary put down the milk, or Brian is a swan, then Jeff moved to the office.
hypothesis: It is highly unlikely that julius is yellow, and Mary put down the milk.
valid_hypothesis: It is highly unlikely that julius is yellow, and Mary put down the milk.
invalid_hypothesis: It is probably the case that julius is yellow, and Mary put down the milk.
hypothesis_assertion: Julius is yellow, and Mary put down the milk.