context: It is almost certain that Mary went to the kitchen. It is probable that John took the apple. It is probably not the case that Julius is a frog.
hypothesis: There is little chance that mary went to the kitchen, and John took the apple.
valid_hypothesis: It is probable that mary went to the kitchen, and John took the apple.
invalid_hypothesis: There is little chance that mary went to the kitchen, and John took the apple.
hypothesis_assertion: Mary went to the kitchen, and John took the apple.