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