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