Premise: Michael `` Mike '' Sean McCary ( born December 16 , 1971 ) is an American singer , best known as the former bass singer of the R&B group Boyz II Men . In 2003 , Michael McCary left Boyz II Men due to chronic back problems , resulting from multiple sclerosis ( MS ) and personal problems . However , negotiations between McCary and the group broke down , and this was confirmed by Boyz II Men via their website .
Hypothesis: Michael McCary was in the group Boyz II Men.
Label: ENTAILMENT