context: It is likely that Bernhard is a frog. It is improbable that Sandra got the football. Chances are slight that John grabbed the milk.
hypothesis: It is probably the case that either Sandra got the football, or Bernhard is a frog.
valid_hypothesis: It is probably the case that either Sandra got the football, or Bernhard is a frog.
invalid_hypothesis: It is impossible that either Sandra got the football, or Bernhard is a frog.
hypothesis_assertion: Either Sandra got the football, or Bernhard is a frog.