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