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