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