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