context: It is impossible that Sandra got the football. It is impossible that Sumit is tired. It is probably the case that Greg is gray. There is a better than even chance that if Greg is gray, or Sumit is tired, then Mary moved to the garden. It is probably the case that if Sandra got the football, or Sumit is tired, then Julius is a rhino. We believe that if either Greg is gray, or Sandra got the football, then Jeff went to the garden.
hypothesis: It is impossible that either Sumit is tired, or Sandra got the football.
valid_hypothesis: It is impossible that either Sumit is tired, or Sandra got the football.
invalid_hypothesis: It is probably the case that either Sumit is tired, or Sandra got the football.
hypothesis_assertion: Either Sumit is tired, or Sandra got the football.