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