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