Given the task definition and input, reply with output. In this task, you will be presented with a text, a pronoun from the text, and two candidate names. You should determine what the pronoun refers to and classify the answers into A, B, or Neither. A and B here are referring to option A and option B. Position of the pronoun in the text is showed within two "_"s.

During her time at UMass Amherst, she has taught numerous students who would become notable linguists including Gennaro Chierchia and Irene Heim. Through her interactions with the philosopher and logician Richard Montague at UCLA in the 1970s she played an important role in bringing together the research traditions of generative linguistics, formal logic, and analytic philosophy, pursuing an agenda pioneered by David Lewis in _his_ 1970 article General Semantics. <sep>, Pronoun: his <sep>, A: Richard Montague <sep>, B: David Lewis
B