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