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