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