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