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