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