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