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