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