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: In January 2007, it was announced that Siggy Sjursen of Powerman 5000 would be joining The Panic Channel as a touring bassist, replacing Chris Chaney who was said to be unable to tour due to family obligations. Initially, Chaney was said to still be a member of the band, but Sjursen was later announced as a permanent replacement. Dave Navarro and Stephen Perkins reunited with Jane's Addiction in 2008. However, on _his_ radio show ``Dark Matter'' on 6 August 2009, Navarro said he had spoken to both Perkins and Chaney about re-forming The Panic Channel, with Steve Isaacs' residence in New York City being the main problem. <sep>, Pronoun: his <sep>, A: Stephen Perkins <sep>, B: Navarro

B