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