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