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