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