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