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