context: There is little chance that Greg is a lion. We believe that Daniel got the football. Chances are about even that John went to the garden.
hypothesis: We believe that daniel got the football, and Greg is a lion.
valid_hypothesis: There is little chance that daniel got the football, and Greg is a lion.
invalid_hypothesis: We believe that daniel got the football, and Greg is a lion.
hypothesis_assertion: Daniel got the football, and Greg is a lion.