Task: Explanation
Input (English): Yes are an English rock band formed in London in 1968 by singer Jon Anderson, bassist Chris Squire, guitarist Peter Banks, keyboardist Tony Kaye, and drummer Bill Bruford. The band have undergone numerous formations throughout their history; nineteen musicians have been full-time members. Since June 2015, it has consisted of guitarist Steve Howe, drummer Alan White, keyboardist Geoff Downes, singer Jon Davison, and bassist Billy Sherwood. Yes have explored several musical styles over the years, and are most notably regarded as progressive rock pioneers. Question: Cinema were a short-lived progressive rock band started by former members of an English rock band formed in London in and notabley regarded as what? Answer: progressive rock pioneers
Output (English):  Yes have explored several musical styles over the years, and are most notably regarded as progressive rock pioneers.