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