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