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