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