context: We doubt that Bernhard is gray. It is probably the case that Daniel left the apple. It is certain that Bill moved to the office. It is highly unlikely that if either Bernhard is gray, or Bill moved to the office, then Emily is a mouse. Chances are about even that if Bill moved to the office, or Bernhard is gray, then John went to the hallway. It is likely that if either Daniel left the apple, or Bernhard is gray, then Julius is yellow.
hypothesis: It is probable that bernhard is gray, and Bill moved to the office.
valid_hypothesis: We doubt that bernhard is gray, and Bill moved to the office.
invalid_hypothesis: It is probable that bernhard is gray, and Bill moved to the office.
hypothesis_assertion: Bernhard is gray, and Bill moved to the office.