context: It is unlikely that Mary went to the kitchen. It is unlikely that Daniel put down the milk. It is unlikely that Greg is gray. It is impossible that if Mary went to the kitchen, and Daniel put down the milk, then Jessica is a cat. There is a better than even chance that if Mary went to the kitchen, and Daniel put down the milk, then Julius is yellow. It is unlikely that if Greg is gray, and Daniel put down the milk, then Gertrude is a sheep.
hypothesis: There is a better than even chance that greg is gray, and Mary went to the kitchen.
valid_hypothesis: It is highly unlikely that greg is gray, and Mary went to the kitchen.
invalid_hypothesis: There is a better than even chance that greg is gray, and Mary went to the kitchen.
hypothesis_assertion: Greg is gray, and Mary went to the kitchen.