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