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