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