premise: Nana Kwame Abrokwa (born 5 October 1968) is a Ghanaian born German rapper and DJ, performing under the pseudonyms Nana or Darkman / Nana.
hypothesis: Ravenala Kwame Abrokwa (born 5 October 1968) is a Ghanaian born German rapper and DJ, performing under the pseudonyms Ravenala or Darkman / Ravenala.