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