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