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