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