Paulina, the CEO of a Steel Company, Invites Joseph, the Representative

Paulina, the CEO of a steel company, invites Joseph, the representative of a potential partner firm, to visit her company. She is careful not to stress on Joseph's religious background as a means to start off a conversation. Instead, she maintains a strictly professional conversation with Joseph and stays neutral to his religious background. Which of the following biases does Paulina avoid in the given scenario?

A) Gender bias
B) Ethnicity bias
C) Age bias
D) Disability bias