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