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