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