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