Complex sentence: Martha Maria Yeardley Smith (born July 3,1964) is an American actress, voice actress, comedian and writer best known for her long-running role as Lisa Simpson on the animated television series "The Simpsons".
Split into simpler sentences: Martha Maria Yeardley Smith (born July 3,1964) is an American actress, voice actress, writer, and comedian. She is best known for her long-running role as Lisa Simpson on the animated television series "The Simpsons".