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