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