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