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