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