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