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