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