Complex sentence: Originally, Newcomb ball involved two teams placed facing each other in a small gymnasium, the object being for one team to throw the ball into the other team's area with such direction and force that it caused the ball to hit the floor without being caught.
Split into simpler sentences: Originally, Newcomb ball involved two teams placed facing each other in a small gymnasium. The object being for one team to throw the ball into the other team's area with such direction and force that it caused the ball to hit the floor without being caught.