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