You will be given a definition of a task first, then some input of the task.
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.

The Kit*b al-Hayaw*n (**** *******, English: Book of Animals) is a 9th-century Arabic translation of History of Animals: 1--10, On the Parts of Animals: 11--14, and Generation of Animals: 15--19. The book was mentioned by Al-Kind* (d. 850), and commented on by Avicenna (Ibn S*n*) in _his_ The Book of Healing. <sep>, Pronoun: his <sep>, A: Al-Kind* <sep>, B: Ibn S*n*
Output:
B