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