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