context: There is little chance that Bill went to the kitchen. It is impossible that Emily is a sheep. It is improbable that Julius is a lion.
hypothesis: It is impossible that bill went to the kitchen, and Emily is a sheep.
valid_hypothesis: It is impossible that bill went to the kitchen, and Emily is a sheep.
invalid_hypothesis: It is almost certain that bill went to the kitchen, and Emily is a sheep.
hypothesis_assertion: Bill went to the kitchen, and Emily is a sheep.