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