context: It is almost certain that John went to the office. Chances are slight that Julius is white. It is certain that Mary dropped the apple.
hypothesis: Chances are slight that john went to the office, and Julius is white.
valid_hypothesis: Chances are slight that john went to the office, and Julius is white.
invalid_hypothesis: We believe that john went to the office, and Julius is white.
hypothesis_assertion: John went to the office, and Julius is white.