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