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