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