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