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