Task: Explanation
Input (English): George Roger Waters (born 6 September 1943) is an English singer, songwriter, bassist, and composer. In 1965, he co-founded the progressive rock band Pink Floyd with drummer Nick Mason, keyboardist Rick Wright, and guitarist, singer, and songwriter Syd Barrett. Waters initially served as the group's bassist, but following the departure of Barrett in 1968, he also became their lyricist, co-lead vocalist, and conceptual leader. Question: Which of the following co founded the band Pink Floyd: Roger Waters or Kim Tae-yeon? Answer: George Roger Waters
Output (English):  In 1965, he cofounded the progressive rock band Pink Floyd with drummer Nick Mason, keyboardist Rick Wright, and guitarist, singer, and songwriter Syd Barrett.