context: There is a very good chance that Julius is a rhino. There is a better than even chance that Mary went to the kitchen. It is probably not the case that John picked up the milk. It is likely that if either John picked up the milk, or Julius is a rhino, then Lily is a swan. There is a better than even chance that if Mary went to the kitchen, and John picked up the milk, then Sandra got the apple. There is a better than even chance that if John picked up the milk, and Mary went to the kitchen, then Brian is green.
hypothesis: It is highly likely that john picked up the milk, or Brian is green.
valid_hypothesis: It is probably not the case that john picked up the milk, or Brian is green.
invalid_hypothesis: It is highly likely that john picked up the milk, or Brian is green.
hypothesis_assertion: John picked up the milk, or Brian is green.