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