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.
Q: If surviving medieval folk rock bands shifted towards more mainstream progressive rock, progressive rock bands often included early music among their influences. Despite emerging from the British blues boom, the vocal style of Ian Anderson of Jethro Tull was often compared with a medieval troubadour, while the signature sound of _his_ flute, later combined with the keyboard and stringed instrumental skills of the band, lent itself to a medieval element of the music. <sep>, Pronoun: his <sep>, A: Ian Anderson <sep>, B: Jethro Tull
A:
A