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