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