context: It is probably the case that Greg is a swan. It is certain that Bernhard is a frog. It is unlikely that Daniel got the football.
hypothesis: Chances are slight that daniel got the football, or Bernhard is a frog.
valid_hypothesis: It is certain that daniel got the football, or Bernhard is a frog.
invalid_hypothesis: Chances are slight that daniel got the football, or Bernhard is a frog.
hypothesis_assertion: Daniel got the football, or Bernhard is a frog.