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