A Phase 3 Randomized Study Comparing Talquetamab in Combination with Pomalidomide (Tal-P), Talquetamab in Combination with Teclistamab (Tal-Tec), and Investigator's Choice of Either Elotzumab, Pomalidomide, and Dexamethasone (EPd) or Pomalidomide, Bortezomib, and Dexamethasone (PVd) in Participants with Relapsed or Refracotroy Myeloma who Have Received 1 to 4 Prior Lines of Therapy Including an Anti-CD38 Antibody and Lanalidomide. MonumenTAL-6