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