Question: Which of the following bands is a side project of John Flansburgh, one of the founding members of They Might Be Giants: Mono Puff or Sum 41?
Sentence (from "Sum 41"): Originally called Kaspir, the band formed in 1996 and currently consists of lead vocalist/rhythm guitarist/keyboardist Deryck Whibley, lead guitarist/backing vocalist Dave Baksh, rhythm/lead guitarist/keyboardist/backing vocalist Tom Thacker, bassist/backing vocalist Jason McCaslin and drummer Frank Zummo.
Relevant evidence: No