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