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