context: It is certain that Greg is yellow. There is a very good chance that Lily is yellow. We believe that Jessica is a cat.
hypothesis: It is certain that greg is yellow, or Lily is yellow.
valid_hypothesis: It is certain that greg is yellow, or Lily is yellow.
invalid_hypothesis: There is little chance that greg is yellow, or Lily is yellow.
hypothesis_assertion: Greg is yellow, or Lily is yellow.