context: It is highly likely that Julius is a frog. It is probable that John took the apple. It is highly unlikely that Brian is green. Chances are about even that if Brian is green, and John took the apple, then Sumit is tired. It is impossible that if Julius is a frog, or John took the apple, then Greg is a swan. There is little chance that if Brian is green, or John took the apple, then Mary went to the garden.
hypothesis: It is unlikely that either Sumit is tired, or John took the apple.
valid_hypothesis: It is probably the case that either Sumit is tired, or John took the apple.
invalid_hypothesis: It is unlikely that either Sumit is tired, or John took the apple.
hypothesis_assertion: Either Sumit is tired, or John took the apple.