Information:  - `` Walking Contradiction '' is a song by American punk rock band Green Day . It was released as the fourth and final single from their fourth album , Insomniac and is the closing track on the album . The song reached number 21 on the Modern Rock Tracks in August 1996 .  - Michael Ryan Pritchard (born May 4, 1972), known professionally as Mike Dirnt, is an American musician, songwriter and composer. He is best known as the co-founder, bassist, backing vocalist and occasional lead vocalist of American punk rock band Green Day. He has also played in several other bands, including The Frustrators. His stage name was originally a nickname from his friends at grade school, as he would constantly play "air bass" and make a "dirnt, dirnt, dirnt" noise while pretending to pluck the strings.  - Green Day is an American punk rock band formed in 1986 by lead vocalist and guitarist Billie Joe Armstrong and bassist Mike Dirnt. For much of the group's career, the band has been a trio with drummer Tré Cool, who replaced former drummer John Kiffmeyer in 1990 prior to the recording of the band's second studio album, "Kerplunk" (1991). Guitarist Jason White, who has worked with the band as a touring member since 1999, was an official member from 2012 to 2016.  - Billie Joe Armstrong (born February 17, 1972) is an American musician, singer, songwriter and actor who is best known as the lead vocalist, primary songwriter, and guitarist of the punk rock band Green Day, which he co-founded with Mike Dirnt. He is also a guitarist and vocalist for the punk rock band Pinhead Gunpowder and provides lead vocals for Green Day's side projects Foxboro Hot Tubs and The Network.    What entity does 'walking contradiction' has the relation 'lyrics by' with?
The answer to this question is:
billie joe armstrong