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