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