context: It is almost certain that Sandra got the football. It is unlikely that Lily is a swan. We doubt that Greg is white. Chances are about even that if Greg is white, or Lily is a swan, then Mary grabbed the milk. We believe that if Sandra got the football, or Lily is a swan, then Bernhard is green. It is probably the case that if Greg is white, or Lily is a swan, then John left the apple.
hypothesis: There is a very good chance that greg is white, or Bernhard is green.
valid_hypothesis: There is a very good chance that greg is white, or Bernhard is green.
invalid_hypothesis: It is unlikely that greg is white, or Bernhard is green.
hypothesis_assertion: Greg is white, or Bernhard is green.