What is meant by "reachable" over here? Set of terminating states for the string 0011 or set of all the states that can be visited by 0011?

For eg, if q2 was the only state where 0011 could terminate, then the answer will be {q2} or {q0,q1,q2}?

For eg, if q2 was the only state where 0011 could terminate, then the answer will be {q2} or {q0,q1,q2}?