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