John, a DOD employee, is at a work conference. While at the conference, he is approached by Stacy, an employee for a cleared defense contractor. Stacy asks questions about the types of information that John handles, despite not having a role that requires that information. John excuses himself from the conversation without answering Stacy$$s questions. What should John do next?

Question $14$Select one:

a$.$

Notify the FBI of Stacy$$s questions

b$.$

Ask his manager to investigate Stacy

c$.$

Tell his coworkers not to talk with Stacy due to her questions

d$.$

Notify his facility security officer of Stacy$$s suspicious questioning