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