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