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