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