What will be the output of the following MySQL command?

SELECT fname
FROM person
WHERE emp_id != 6 OR emp_id IS  NULL;

A. Only those names whose emp_id is not equal to 6 or emp_id with NULL values

B. Only those names whose emp_id is not equal to 6

C. Only those names whose emp_id is equal to 6

D. None of the mentioned

Answer: Option A