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