context: It is certain that Julius is green. It is probable that Mary discarded the apple. We believe that Bill is in the kitchen. It is improbable that if Bill is in the kitchen, or Mary discarded the apple, then Emily is a wolf. It is improbable that if Julius is green, or Mary discarded the apple, then John got the milk. It is improbable that if Julius is green, or Mary discarded the apple, then Brian is gray.
hypothesis: We believe that bill is in the kitchen, and Julius is green.
valid_hypothesis: We believe that bill is in the kitchen, and Julius is green.
invalid_hypothesis: It is probably not the case that bill is in the kitchen, and Julius is green.
hypothesis_assertion: Bill is in the kitchen, and Julius is green.