instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who released the albums Sentimental Journey, Goodnight Vienna, Bad Boy, Old Wave and Vertical Man between 1970 and 1999?
answer:
vertical man


question:
Who was the first person to sign the American Declaration of Independence?
answer:
united states declaration of independence


question:
Athos, Porthos, and Aramis are collectively known as whom?
answer:

athos