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