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