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