Your goal is to find the secret four-color code. The following colors are possible: brown, orange, black, blue, yellow, purple.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['blue', 'purple', 'orange', 'black']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['brown', 'brown', 'blue', 'purple']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['brown', 'blue', 'purple', 'yellow']. Hint: two colors are in the correct positions and two colors are in the secret code but in the wrong positions.
A B C D
orange, black, purple, orange black, purple, brown, yellow blue, orange, yellow, purple brown, yellow, purple, blue