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