Question: What were the occupations of Mario Vargas Llosa and William March?
Sentence (from "Mario Vargas Llosa"): Jorge Mario Pedro Vargas Llosa, 1st Marquis of Vargas Llosa (born March 28, 1936), more commonly known as Mario Vargas Llosa ( ; ] ), is a Peruvian writer, politician, journalist, essayist and college professor.
Relevant evidence: Yes