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