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