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