James Gibson "Gib" Holgate (August 13, 1920 – November 7, 2011) was an American football player, coach, and college athletics administrator. He served as the head football coach at Hillsdale College in 1948, compiling a record of 6–2–1. Holgate was later an assistant football coach and an administrator in the athletic department at Yale University.

Choose your answer: based on the paragraph above can we conclude that "Only James' mother was allowed to call him Gib"?

Options are: a). Yes. b). It's impossible to say. c). No.
I think the answer is
b).