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: The crater, Ulugh Beigh, on the Moon, was named after him by the German astronomer Johann Heinrich von M*dler on his 1830 map of the Moon. 2439 Ulugbek, a main-belt asteroid which was discovered on 21 August 1977 by N. Chernykh at Nauchnyj, was named after _him_. <sep>, Pronoun: him

N