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