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