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