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