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