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