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