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