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