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