Detailed Instructions: 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.
Problem:The coin toss ceremony featured Pro Football Hall of Fame receiver Elroy Hirsch. Dolphins captain Bob Kuechenberg called ''tails,'' and the coin came down ''tails.'' However, referee Jerry Markbreit became confused by the similar design of both sides of the coin and incorrectly thought ''heads'' had landed. After a short discussion with _his_ head linesman, Dale Hamer, Markbreit corrected his mistake before the kickoff, then asked Kuechenberg if the Dolphins would receive said kickoff, which they did. <sep>, Pronoun: his <sep>, A: Dale Hamer <sep>, B: Markbreit
Solution:
B