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