context: It is probably the case that John picked up the milk. It is almost certain that Brian is a lion. It is impossible that Jessica is a mouse. It is improbable that if John picked up the milk, or Brian is a lion, then Sandra left the apple. There is little chance that if John picked up the milk, or Brian is a lion, then Lily is a rhino. It is probable that if either John picked up the milk, or Brian is a lion, then Mary went to the office.
hypothesis: There is almost no chance that mary went to the office, and Lily is a rhino.
valid_hypothesis: There is almost no chance that mary went to the office, and Lily is a rhino.
invalid_hypothesis: It is highly likely that mary went to the office, and Lily is a rhino.
hypothesis_assertion: Mary went to the office, and Lily is a rhino.