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