context: It is probable that Julius is a rhino. It is unlikely that Bernhard is yellow. Chances are slight that Daniel put down the milk. There is little chance that if Daniel put down the milk, or Julius is a rhino, then Greg is gray. There is little chance that if Bernhard is yellow, and Daniel put down the milk, then Brian is a frog. We doubt that if Julius is a rhino, or Daniel put down the milk, then Mary moved to the garden.
hypothesis: It is probably the case that brian is a frog, or Julius is a rhino.
valid_hypothesis: It is probably the case that brian is a frog, or Julius is a rhino.
invalid_hypothesis: There is little chance that brian is a frog, or Julius is a rhino.
hypothesis_assertion: Brian is a frog, or Julius is a rhino.