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