context: Chances are slight that Jeff went to the office. It is highly likely that Lily is yellow. It is highly unlikely that John dropped the milk.
hypothesis: There is a very good chance that either Lily is yellow, or Jeff went to the office.
valid_hypothesis: There is a very good chance that either Lily is yellow, or Jeff went to the office.
invalid_hypothesis: It is improbable that either Lily is yellow, or Jeff went to the office.
hypothesis_assertion: Either Lily is yellow, or Jeff went to the office.