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