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