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