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