context: There is little chance that Mary discarded the milk. There is almost no chance that John went to the garden. It is probably the case that Gertrude is a mouse. It is probably the case that if John went to the garden, and Mary discarded the milk, then Julius is white. It is probable that if either Mary discarded the milk, or John went to the garden, then Lily is a rhino. There is a better than even chance that if John went to the garden, or Mary discarded the milk, then Bernhard is a frog.
hypothesis: It is likely that either Gertrude is a mouse, or John went to the garden.
valid_hypothesis: It is likely that either Gertrude is a mouse, or John went to the garden.
invalid_hypothesis: Chances are slight that either Gertrude is a mouse, or John went to the garden.
hypothesis_assertion: Either Gertrude is a mouse, or John went to the garden.