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