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