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