Given the task definition, example input & output, solve the new input case.
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Example: Who was the first American President?
Output: president of the united states
The question talks about the president of the USA.

New input case for you: Which US group of the 1970s consisted of Dewy Bunnell, Dan Peek and Gerry Beckley and had hits including Tin Man and Sister Golden Hair?
Output:
dewey bunnell