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