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