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