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