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