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