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