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