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