context: We doubt that Lily is a rhino. It is probable that Greg is a lion. Chances are slight that Sandra got the football.
hypothesis: It is almost certain that sandra got the football, or Lily is a rhino.
valid_hypothesis: It is probably not the case that sandra got the football, or Lily is a rhino.
invalid_hypothesis: It is almost certain that sandra got the football, or Lily is a rhino.
hypothesis_assertion: Sandra got the football, or Lily is a rhino.