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