Premise: Fergie (singer) . She was the female vocalist for the hip hop group The Black Eyed Peas from 2002 until 2017 , with whom she had achieved chart success worldwide . In 2001 , she left the group and in the subsequent year began to team up with The Black Eyed Peas . As Ferguson 's five solo singles and six singles with The Black Eyed Peas have reached two million downloads in the United States , Ferguson was the artist with the most two-million sellers by the beginning of 2011 .
Hypothesis: Fergie only performs solo.
Label: CONTRADICTION