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