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