Given the task definition and input, reply with output. 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.

He invented a machine code language around 1489, cryptographic algorithms, and sketched the designs of a portable vocal communicator and a prototype that reflected the properties of a transistor. The character draws its inspiration from real-life historical figures including Leonardo da Vinci and Nostradamus. Rambaldi's artistic-looking manuscripts, written in code, are a direct reference to Leonardo's method of recording _his_ work. <sep>, Pronoun: his <sep>, A: Rambaldi <sep>, B: Leonardo
B