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