context: It is highly likely that Daniel left the football. It is impossible that Jeff went to the office. It is almost certain that Sandra grabbed the milk. It is impossible that if either Sandra grabbed the milk, or Jeff went to the office, then John put down the apple. It is almost certain that if either Sandra grabbed the milk, or Daniel left the football, then Emily is a sheep. It is probable that if Daniel left the football, or Sandra grabbed the milk, then Greg is a swan.
hypothesis: Chances are slight that emily is a sheep, and Sandra grabbed the milk.
valid_hypothesis: Chances are slight that emily is a sheep, and Sandra grabbed the milk.
invalid_hypothesis: There is a better than even chance that emily is a sheep, and Sandra grabbed the milk.
hypothesis_assertion: Emily is a sheep, and Sandra grabbed the milk.