Your goal is to find the secret four-color code. The following colors are possible: red, white, pink, blue, purple, black.
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: ['pink', 'white', 'red', 'black']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['red', 'red', 'blue', 'white']. Hint: three colors are in the correct positions.
Guess: ['red', 'black', 'blue', 'white']. 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
pink, red, black, blue pink, red, white, red purple, pink, white, black black, red, blue, white