We doubt that Fred is in the cinema. There is little chance that Lily is yellow. There is little chance that Bernhard is a swan.
It is probably the case that fred is in the cinema, or Lily is yellow.
It is probably not the case that fred is in the cinema, or Lily is yellow.
It is probably the case that fred is in the cinema, or Lily is yellow.
Fred is in the cinema, or Lily is yellow.