context: It is certain that Julius is yellow. Chances are about even that Jeff went to the kitchen. It is improbable that Bernhard is a swan. It is impossible that if Bernhard is a swan, and Julius is yellow, then John discarded the milk. We believe that if Bernhard is a swan, and Julius is yellow, then Brian is a frog. It is certain that if either Jeff went to the kitchen, or Julius is yellow, then Mary moved to the office.
hypothesis: There is a very good chance that mary moved to the office, and Jeff went to the kitchen.
valid_hypothesis: It is impossible that mary moved to the office, and Jeff went to the kitchen.
invalid_hypothesis: There is a very good chance that mary moved to the office, and Jeff went to the kitchen.
hypothesis_assertion: Mary moved to the office, and Jeff went to the kitchen.