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