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