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