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