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