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