context: Chances are slight that John left the apple. It is probable that Mary went to the kitchen. We doubt that Julius is a frog. It is probably not the case that if either Julius is a frog, or John left the apple, then Gertrude is a mouse. There is almost no chance that if either John left the apple, or Mary went to the kitchen, then Bernhard is green. There is little chance that if Mary went to the kitchen, or Julius is a frog, then Sandra grabbed the apple.
hypothesis: It is likely that sandra grabbed the apple, or Mary went to the kitchen.
valid_hypothesis: It is likely that sandra grabbed the apple, or Mary went to the kitchen.
invalid_hypothesis: It is highly unlikely that sandra grabbed the apple, or Mary went to the kitchen.
hypothesis_assertion: Sandra grabbed the apple, or Mary went to the kitchen.