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