context: There is a very good chance that Greg is a lion. We believe that Bernhard is a swan. It is unlikely that Julius is white. Chances are slight that if Greg is a lion, and Bernhard is a swan, then Brian is yellow. We believe that if Greg is a lion, and Bernhard is a swan, then John went to the kitchen. It is probably the case that if Julius is white, and Greg is a lion, then Mary moved to the garden.
hypothesis: It is likely that john went to the kitchen, and Julius is white.
valid_hypothesis: It is improbable that john went to the kitchen, and Julius is white.
invalid_hypothesis: It is likely that john went to the kitchen, and Julius is white.
hypothesis_assertion: John went to the kitchen, and Julius is white.