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