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