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