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