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