Premise: 50 Cent . With the aid of Eminem and Dr. Dre ( who produced his first major-label album , Get Rich or Die Tryin ' ) , Jackson became one of the world 's best selling rappers and rose to prominence with East Coast hip hop group G-Unit ( which he leads de facto ) . The Massacre is the second studio album by American rapper 50 Cent .
Hypothesis: 50 Cent is a rapper.
Label: ENTAILMENT