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