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