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