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