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