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