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