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