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