Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: He was raised by his great-grandmother until he was 11, when he was placed in a foster home in Kansas City, Missouri. He was soon running with the wrong crowd, and at the age of 13 was threatened with a four-year stretch in reform school for buying alcohol under-age. However, the headmaster of _his_ high school, Hugh Oliver Cook, knew that Leonard was being habitually assaulted by the guardian of the foster home, and offered to adopt him if he were not jailed. <sep>, Pronoun: his

Leonard