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