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