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