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