context: It is certain that John left the apple. It is impossible that Greg is a rhino. It is highly unlikely that Sandra got the milk. There is almost no chance that if Greg is a rhino, and Sandra got the milk, then Bernhard is green. There is a very good chance that if Greg is a rhino, or Sandra got the milk, then Mary went to the office. It is improbable that if Sandra got the milk, or Greg is a rhino, then Brian is a swan.
hypothesis: It is highly unlikely that either Bernhard is green, or Mary went to the office.
valid_hypothesis: It is highly unlikely that either Bernhard is green, or Mary went to the office.
invalid_hypothesis: It is probable that either Bernhard is green, or Mary went to the office.
hypothesis_assertion: Either Bernhard is green, or Mary went to the office.