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