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