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