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