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