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