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