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