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