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