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