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