premise: The Monster is only a song by Tupac.
hypothesis: `` Monster '' is a song by American recording artist Lady Gaga , from her third EP , The Fame Monster ( 2009 ) . `` The Monster '' is a song by American rapper Eminem , featuring guest vocals from Barbadian singer Rihanna , taken from Eminem 's album The Marshall Mathers LP 2 ( 2013 ) .