This servise is for those who doesn't want to spend time on logical stuff for things that are not really important.
You may just ask whether to do it or not and follow simple "YES-NO" instruction
EXMAPLE: You may just ask something like "Should I dring tea?" and after you push the button "GO" you get simple answer "YES" or "NO".
Warning: DO NOT USE IT FOR IMPORTANT THINGS. THIS IS JUST TIME SAVER FOR USELESS STUFF IN OUR LIFE AND NO MORE.