Your goal is to find the secret four-color code. The following colors are possible: orange, red, blue, brown, green, 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: ['red', 'green', 'blue', 'orange']. Hint: two colors are in the correct positions.
Guess: ['orange', 'orange', 'blue', 'blue']. Hint: none of the guessed colors are present in the secret code.
Guess: ['brown', 'brown', 'red', 'red']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'green', 'brown', 'green']. Hint: three colors are in the correct positions.
A B C D
blue, green, black, brown red, green, brown, black black, red, red, red red, orange, orange, black