Chances are slight that Daniel left the football. It is highly unlikely that Julius is a swan. We believe that Yann is tired. Chances are slight that if Julius is a swan, and Daniel left the football, then Mary put down the milk. It is probable that if either Julius is a swan, or Yann is tired, then Sumit is bored. It is probably not the case that if either Daniel left the football, or Yann is tired, then John took the apple.
It is certain that mary put down the milk, and John took the apple.
It is impossible that mary put down the milk, and John took the apple.
It is certain that mary put down the milk, and John took the apple.
Mary put down the milk, and John took the apple.