context: It is certain that John went to the kitchen. It is highly unlikely that Julius is a lion. There is little chance that Sandra put down the milk. We doubt that if Sandra put down the milk, or Julius is a lion, then Mary moved to the office. We believe that if John went to the kitchen, and Julius is a lion, then Brian is gray. It is improbable that if Sandra put down the milk, and John went to the kitchen, then Daniel got the football.
hypothesis: Chances are about even that mary moved to the office, and John went to the kitchen.
valid_hypothesis: There is almost no chance that mary moved to the office, and John went to the kitchen.
invalid_hypothesis: Chances are about even that mary moved to the office, and John went to the kitchen.
hypothesis_assertion: Mary moved to the office, and John went to the kitchen.