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