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