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