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