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