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