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