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