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