context: It is probable that Bernhard is white. It is almost certain that Julius is a lion. It is probably the case that Greg is gray. There is little chance that if Greg is gray, and Bernhard is white, then Winona is a cat. It is highly unlikely that if Greg is gray, and Julius is a lion, then Sandra got the apple. There is almost no chance that if Julius is a lion, and Bernhard is white, then Mary went to the garden.
hypothesis: It is almost certain that mary went to the garden, and Sandra got the apple.
valid_hypothesis: It is impossible that mary went to the garden, and Sandra got the apple.
invalid_hypothesis: It is almost certain that mary went to the garden, and Sandra got the apple.
hypothesis_assertion: Mary went to the garden, and Sandra got the apple.