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