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