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