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