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