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