context: It is probably the case that Brian is green. We believe that Jeff went to the office. Chances are about even that Lily is yellow.
hypothesis: Chances are about even that either Brian is green, or Lily is yellow.
valid_hypothesis: Chances are about even that either Brian is green, or Lily is yellow.
invalid_hypothesis: It is highly unlikely that either Brian is green, or Lily is yellow.
hypothesis_assertion: Either Brian is green, or Lily is yellow.