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.

Later other researchers were able to apply this excellent experimental design to other vertebrates as well, making it an invaluable insight into testing color vision in many organisms. After von Frisch's initial studies, the German scientist Randolf Menzel continued the study of color vision in honey bees and performed more detailed tests. _He_was curious about which colors honey bees would be able to learn fastest and whether or not bees had a greater aptitude for learning certain colors. <sep>, Pronoun: He <sep>, A: Frisch <sep>, B: Randolf Menzel
Output:
B