Definition: 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.
Input: Scoring twice on his debut during a 4-3 win over Derby County, he went on to form a lethal partnership with John Toshack, ending the season with 17 goals and his first Welsh Cup winners medal. Clark finished as the clubs top scorer for the next two seasons, as well as scoring 5 times in a single match against Barmouth & Dyffryn, falling short of Derek Tapscott 's club record of goals in a game by just one. It was during the 1970--71 season that _he_achieved probably the high point of his career when he headed in the only goal of the first leg against Real Madrid in a 1-0 win during the European Cup Winners Cup quarter-final. <sep>, Pronoun: he <sep>, A: Clark <sep>, B: Derek Tapscott

A