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