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