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