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