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