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