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