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