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