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