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