context: Chances are about even that Jeff moved to the office. It is certain that Lily is a frog. There is a better than even chance that Mary went to the kitchen.
hypothesis: It is probably not the case that jeff moved to the office, and Mary went to the kitchen.
valid_hypothesis: It is probably not the case that jeff moved to the office, and Mary went to the kitchen.
invalid_hypothesis: It is almost certain that jeff moved to the office, and Mary went to the kitchen.
hypothesis_assertion: Jeff moved to the office, and Mary went to the kitchen.