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