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