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