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