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