You are a technical writer in a large company, working on a training manual to help new users learn the companys computer system. Employees will use your manual in training seninars taught by your company's trainers. The manual will also serve as an on the job reference later. Both the system analysts who designed the compiuter system an the trainers will comment on your draft. The trainers would be classified as what kind of audience for your manual?

1) watchdog
2) gatekeeper
3) primary
4) secondary
I want to say the answer is 4