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