context: We believe that Julius is gray. It is impossible that Daniel put down the milk. We believe that Sandra took the football.
hypothesis: We believe that sandra took the football, or Daniel put down the milk.
valid_hypothesis: We believe that sandra took the football, or Daniel put down the milk.
invalid_hypothesis: It is unlikely that sandra took the football, or Daniel put down the milk.
hypothesis_assertion: Sandra took the football, or Daniel put down the milk.