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