source: Twin brothers, Percy and Barton Grimes find the original Brothers Grimm mannikins and decide to try the costumes on.
target: Percy and Barton Grimes are twin brothers. They find the original Brothers Grimm mannikins. They decide to try the costumes on.
references: Percy and Barton Grimes are twin brothers. They find the original Brothers Grimm mannikins. They decide to try the costumes on.