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