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