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