context: It is probable that Mary is in the office. It is probably not the case that Jeff moved to the office. Chances are slight that John went to the bedroom. We doubt that if Mary is in the office, or John went to the bedroom, then Jessica is a cat. It is almost certain that if John went to the bedroom, or Jeff moved to the office, then Brian is white. It is unlikely that if either Jeff moved to the office, or John went to the bedroom, then Julius is a rhino.
hypothesis: It is probably the case that jeff moved to the office, and Jessica is a cat.
valid_hypothesis: It is highly unlikely that jeff moved to the office, and Jessica is a cat.
invalid_hypothesis: It is probably the case that jeff moved to the office, and Jessica is a cat.
hypothesis_assertion: Jeff moved to the office, and Jessica is a cat.