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