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