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