Your goal is to find the secret four-color code. The following colors are possible: yellow, black, green, blue, purple, 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: ['blue', 'black', 'yellow', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['yellow', 'green', 'green', 'black']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['black', 'yellow', 'pink', 'green']. 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
black, blue, black, yellow black, purple, purple, green green, black, black, blue green, yellow, black, pink