Your goal is to find the secret four-color code. The following colors are possible: blue, black, white, pink, green, yellow.
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: ['green', 'yellow', 'black', 'white']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['blue', 'blue', 'green', 'yellow']. Hint: two colors are in the correct positions.
Guess: ['blue', 'pink', 'white', 'yellow']. 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
white, blue, pink, yellow yellow, green, green, white black, yellow, black, pink black, black, yellow, white