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