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