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