Press the instructed key.

Act as fast and accurately as possible.

The instruction is to press D, you press <<D>> in 2204 ms. That is correct.
The instruction is to press F, you press <<D>> in 135 ms. That is incorrect.
The instruction is to press K, you press <<K>> in 792 ms. That is correct.
The instruction is to press J, you press <<J>> in 805 ms. That is correct.
The instruction is to press K, you press 