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