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