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