Complex sentence: Her first drama teacher, Marcos Colon (no relation to Mairiam) believed that Miriam was very talented and with his help she was permitted to observe the students in the "Drama Department of the University of Puerto Rico".
Split into simpler sentences: Her first drama teacher, Marcos Colon (no relation to Mairiam) believed that Miriam was very talented. With his help she was able to observe the students in the "Drama Department of the University of Puerto Rico".