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