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