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