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