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