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