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