In the Oracle CX Sales channel process, the "Partner Sales Representative" (D) qualifies channel leads, as they work directly with prospects to assess fit and potential. The "Channel Sales Manager" (A) and "Channel Account Manager" (B) oversee channel strategy and partner assignments, not lead qualification. The "Sales Manager" (C) manages direct sales teams, while the "Sales Director" (E) is too senior for this task. The answer (Ans: 4) reflects Oracle's partner-centric lead qualification process.