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