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