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