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