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