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