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