context: It is certain that Brian is gray. There is little chance that John went to the garden. There is a very good chance that Mary picked up the milk. It is improbable that if either Mary picked up the milk, or Brian is gray, then Lily is a rhino. It is certain that if either Brian is gray, or Mary picked up the milk, then Greg is a frog. There is almost no chance that if John went to the garden, or Brian is gray, then Julius is white.
hypothesis: There is a very good chance that julius is white, or Mary picked up the milk.
valid_hypothesis: There is a very good chance that julius is white, or Mary picked up the milk.
invalid_hypothesis: It is highly unlikely that julius is white, or Mary picked up the milk.
hypothesis_assertion: Julius is white, or Mary picked up the milk.