It is highly unlikely that Mary went to the office. It is probable that Bernhard is a swan. It is almost certain that Sandra took the apple. It is almost certain that if Sandra took the apple, or Bernhard is a swan, then Fred left the football. There is almost no chance that if Bernhard is a swan, or Sandra took the apple, then Brian is yellow. There is almost no chance that if Mary went to the office, and Sandra took the apple, then Lily is white.
It is likely that either Sandra took the apple, or Fred left the football.
It is improbable that either Sandra took the apple, or Fred left the football.
It is likely that either Sandra took the apple, or Fred left the football.
Either Sandra took the apple, or Fred left the football.