context: It is unlikely that John went to the office. It is improbable that Mary is in the cinema. It is likely that Bernhard is green. It is probable that if either Mary is in the cinema, or John went to the office, then Sandra got the milk. It is probable that if either Mary is in the cinema, or John went to the office, then Daniel dropped the apple. It is highly unlikely that if either Bernhard is green, or John went to the office, then Brian is a rhino.
hypothesis: We believe that either Brian is a rhino, or Sandra got the milk.
valid_hypothesis: It is unlikely that either Brian is a rhino, or Sandra got the milk.
invalid_hypothesis: We believe that either Brian is a rhino, or Sandra got the milk.
hypothesis_assertion: Either Brian is a rhino, or Sandra got the milk.