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