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