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