context: There is little chance that John put down the apple. It is highly likely that Bernhard is a rhino. It is probable that Mary went to the garden. It is unlikely that if Mary went to the garden, or John put down the apple, then Daniel got the milk. Chances are about even that if John put down the apple, and Mary went to the garden, then Greg is a frog. There is almost no chance that if either Bernhard is a rhino, or Mary went to the garden, then Julius is yellow.
hypothesis: It is probable that either Greg is a frog, or Daniel got the milk.
valid_hypothesis: We doubt that either Greg is a frog, or Daniel got the milk.
invalid_hypothesis: It is probable that either Greg is a frog, or Daniel got the milk.
hypothesis_assertion: Either Greg is a frog, or Daniel got the milk.