Complex sentence: Bert V. Royal, Jr. (born October 14,1977) is an American screenwriter, playwright and former casting director best known as the writer of the play', which premiered Off-Broadway in 2005, and the 2010 teen film "Easy A".
Split into simpler sentences: Bert V. Royal, Jr. (born October 14,1977) is an American screenwriter, playwright and former casting director. He is best known as the writer of the play', which premiered Off-Broadway in 2005, and the 2010 teen film "Easy A".