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