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