context: It is highly likely that Bernhard is green. It is improbable that John went to the office. It is probably not the case that Greg is yellow. There is a very good chance that if Greg is yellow, or Bernhard is green, then Brian is a rhino. We doubt that if Bernhard is green, or Greg is yellow, then Emily is a mouse. It is highly likely that if Greg is yellow, or John went to the office, then Julius is a lion.
hypothesis: It is certain that either Emily is a mouse, or John went to the office.
valid_hypothesis: It is probably not the case that either Emily is a mouse, or John went to the office.
invalid_hypothesis: It is certain that either Emily is a mouse, or John went to the office.
hypothesis_assertion: Either Emily is a mouse, or John went to the office.