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