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