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