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