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