context: There is a very good chance that Mary moved to the office. It is highly likely that Bernhard is a lion. It is certain that Sandra put down the milk. It is unlikely that if Mary moved to the office, and Bernhard is a lion, then Greg is a rhino. It is probably the case that if either Sandra put down the milk, or Mary moved to the office, then Lily is a swan. Chances are about even that if Mary moved to the office, or Sandra put down the milk, then Brian is green.
hypothesis: Chances are about even that either Sandra put down the milk, or Brian is green.
valid_hypothesis: Chances are about even that either Sandra put down the milk, or Brian is green.
invalid_hypothesis: It is impossible that either Sandra put down the milk, or Brian is green.
hypothesis_assertion: Either Sandra put down the milk, or Brian is green.