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