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