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