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