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