context: There is almost no chance that Sandra left the football. Chances are about even that Lily is a frog. There is a better than even chance that Greg is white.
hypothesis: Chances are about even that sandra left the football, or Lily is a frog.
valid_hypothesis: Chances are about even that sandra left the football, or Lily is a frog.
invalid_hypothesis: It is certain that sandra left the football, or Lily is a frog.
hypothesis_assertion: Sandra left the football, or Lily is a frog.