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