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