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