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