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