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