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