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