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