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