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