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