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