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