context: It is impossible that Daniel put down the milk. We believe that Greg is a swan. It is almost certain that Julius is a frog. It is probably not the case that if Greg is a swan, or Julius is a frog, then Mary went to the kitchen. It is impossible that if Daniel put down the milk, or Greg is a swan, then Fred moved to the office. It is highly likely that if Greg is a swan, or Daniel put down the milk, then Bernhard is yellow.
hypothesis: It is almost certain that either Fred moved to the office, or Mary went to the kitchen.
valid_hypothesis: It is probably not the case that either Fred moved to the office, or Mary went to the kitchen.
invalid_hypothesis: It is almost certain that either Fred moved to the office, or Mary went to the kitchen.
hypothesis_assertion: Either Fred moved to the office, or Mary went to the kitchen.