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