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