Press the instructed key.

Act as fast and accurately as possible.

The instruction is to press D, you press <<D>> in 1421 ms. That is correct.
The instruction is to press D, you press <<D>> in 847 ms. That is correct.
The instruction is to press F, you press <<F>> in 645 ms. That is correct.
The instruction is to press J, you press <<J>> in 1037 ms. That is correct.
The instruction is to press D, you press <<D>> in 430 ms. That is correct.
The instruction is to press F, you press <<F>> in 567 ms. That is correct.
The instruction is to press J, you press <<J>> in 467 ms. That is correct.
The instruction is to press J, you press <<K>> in 2344 ms. That is incorrect.
The instruction is to press J, you press <<J>> in 535 ms. That is correct.
The instruction is to press K, you press <<K>> in 1077 ms. That is correct.
The instruction is to press D, you press <<K>> in 238 ms. That is incorrect.
The instruction is to press F, you press <<F>> in 553 ms. That is correct.
The instruction is to press J, you press <<J>> in 549 ms. That is correct.
The instruction is to press J, you press <<J>> in 748 ms. That is correct.
The instruction is to press K, you press 