context: It is probably the case that Lily is a swan. We believe that John took the apple. It is highly likely that Julius is white. It is probable that if either Lily is a swan, or Julius is white, then Greg is a rhino. It is impossible that if either John took the apple, or Julius is white, then Mary moved to the garden. It is almost certain that if either John took the apple, or Julius is white, then Emily is a sheep.
hypothesis: There is little chance that mary moved to the garden, or Julius is white.
valid_hypothesis: It is highly likely that mary moved to the garden, or Julius is white.
invalid_hypothesis: There is little chance that mary moved to the garden, or Julius is white.
hypothesis_assertion: Mary moved to the garden, or Julius is white.