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