context: We believe that Mary got the milk. There is almost no chance that John picked up the apple. It is improbable that Emily is a mouse. It is probably the case that if either John picked up the apple, or Mary got the milk, then Bill moved to the office. It is probably not the case that if either Mary got the milk, or John picked up the apple, then Brian is a lion. It is probable that if either John picked up the apple, or Emily is a mouse, then Julius is yellow.
hypothesis: It is impossible that bill moved to the office, and John picked up the apple.
valid_hypothesis: It is impossible that bill moved to the office, and John picked up the apple.
invalid_hypothesis: It is almost certain that bill moved to the office, and John picked up the apple.
hypothesis_assertion: Bill moved to the office, and John picked up the apple.