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