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