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