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