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