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