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