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