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