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