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