Complex sentence: While riding the train Sean encounters a homeless man verbally harassing a Chinese family and the passengers of the train, he tells the family to leave the car before putting on face paint and brutally beating the man with brass knuckles.
Split into simpler sentences: While riding the train, Sean encounters a homeless man verbally harassing a Chinese family and the passengers of the train. He tells the family to leave the car before putting on face paint and brutally beating the man with brass knuckles.