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