context: There is a better than even chance that Emily is a cat. Chances are about even that Lily is yellow. It is probably the case that Jeff went to the bedroom.
hypothesis: It is impossible that either Jeff went to the bedroom, or Lily is yellow.
valid_hypothesis: Chances are about even that either Jeff went to the bedroom, or Lily is yellow.
invalid_hypothesis: It is impossible that either Jeff went to the bedroom, or Lily is yellow.
hypothesis_assertion: Either Jeff went to the bedroom, or Lily is yellow.