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