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