answer both please

QUESTION 4 What would be the major product of the following reaction sequence? 1. Bry, hy 2. EtOH, ETONa, heat cox II III IV I O A. IV OBV O C. 11 0.1 O E. III QUESTION 5 What would be the major product of the following reaction sequence? 1. Bry, hv 2.EtOH, ETONa, heat OH OET OEt Ph 7 Ph II III IV V I O AV OB. III . 1 ODNI E. IV