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