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