Complex sentence: The song began life as another track "I'm So Bored With You" a love song written by Mick Jones about his girlfriend, according to Kieth Topping's "The Complete Clash" book, the same woman who was the topic of "Deny".
Split into simpler sentences: The song began life as another track, "I'm So Bored With You", a love song written by Mick Jones. According to Keith Topping's "The Complete Clash" book, the song was about Jones's girlfriend, the same woman who was the topic of "Deny".