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