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