Your goal is to find the secret four-color code. The following colors are possible: purple, brown, green, black, red, white.
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: ['red', 'purple', 'black', 'brown']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['purple', 'purple', 'brown', 'green']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['green', 'brown', 'black', 'black']. Hint: two colors are in the correct positions.
Guess: ['brown', 'brown', 'black', 'purple']. Hint: two colors are in the correct positions.
A B C D
brown, green, green, black green, red, black, purple brown, purple, red, black black, green, black, red