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