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