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