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