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