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