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