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