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