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