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