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