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