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