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: When Ferguson joined up with Henry Ford to allow his 'Ferguson System' three-point linkage to be used on the Fordson N tractors, the agreement was terminated prematurely by Ferguson's own actions. Prior to the end of the manufacturing agreement with Ferguson, David Brown had foreseen a future in tractor production and designed _his_ own tractor, the VAK1, in secret. <sep>, Pronoun: his

David Brown