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