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