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