Press the instructed key.

Act as fast and accurately as possible.

The instruction is to press K, you press <<K>> in 941 ms. That is correct.
The instruction is to press K, you press <<K>> in 579 ms. That is correct.
The instruction is to press D, you press <<D>> in 871 ms. That is correct.
The instruction is to press J, you press <<J>> in 744 ms. That is correct.
The instruction is to press F, you press 