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