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