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