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