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