There are two legitimate responses
Nope. There are more, e.g.
(c) You misunderstand your problem, it’s actually this
(d) Your problem is not solvable because of that
(e) Solving this problem will not help you (achieve a more terminal goal)
(f) the problem was not correctly conveyed, leading to someone trying to solve the one you conveyed not the one you wanted them to solve.
(g) get out of the car
Nope. There are more, e.g.
(c) You misunderstand your problem, it’s actually this
(d) Your problem is not solvable because of that
(e) Solving this problem will not help you (achieve a more terminal goal)
(f) the problem was not correctly conveyed, leading to someone trying to solve the one you conveyed not the one you wanted them to solve.
(g) get out of the car