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