context: It is probably not the case that Lily is white. It is almost certain that Greg is a frog. It is highly likely that Mary moved to the garden. It is probably the case that if Greg is a frog, and Mary moved to the garden, then Julie is in the office. It is probably the case that if Greg is a frog, and Mary moved to the garden, then John went to the kitchen. It is highly likely that if Greg is a frog, and Mary moved to the garden, then Brian is a frog.
hypothesis: It is probably the case that either Julie is in the office, or Brian is a frog.
valid_hypothesis: It is probably not the case that either Julie is in the office, or Brian is a frog.
invalid_hypothesis: It is probably the case that either Julie is in the office, or Brian is a frog.
hypothesis_assertion: Either Julie is in the office, or Brian is a frog.