context: It is almost certain that Julius is white. It is almost certain that Bernhard is a lion. It is certain that Mary picked up the milk. There is almost no chance that if Mary picked up the milk, and Bernhard is a lion, then Emily is a sheep. It is impossible that if either Bernhard is a lion, or Mary picked up the milk, then Jeff went to the kitchen. It is almost certain that if Mary picked up the milk, and Bernhard is a lion, then Greg is yellow.
hypothesis: It is certain that jeff went to the kitchen, or Mary picked up the milk.
valid_hypothesis: It is certain that jeff went to the kitchen, or Mary picked up the milk.
invalid_hypothesis: We doubt that jeff went to the kitchen, or Mary picked up the milk.
hypothesis_assertion: Jeff went to the kitchen, or Mary picked up the milk.