context: It is unlikely that Julius is yellow. It is impossible that Bernhard is a swan. Chances are about even that Bill dropped the milk. It is probably not the case that if either Bill dropped the milk, or Bernhard is a swan, then Jeff went to the kitchen. It is unlikely that if Bill dropped the milk, or Bernhard is a swan, then Brian is green. It is improbable that if Bill dropped the milk, and Julius is yellow, then John moved to the office.
hypothesis: We believe that john moved to the office, and Jeff went to the kitchen.
valid_hypothesis: It is impossible that john moved to the office, and Jeff went to the kitchen.
invalid_hypothesis: We believe that john moved to the office, and Jeff went to the kitchen.
hypothesis_assertion: John moved to the office, and Jeff went to the kitchen.