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