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