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