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