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