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