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