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