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