My response is usually an apology. I tell them that I am unable to answer their questions because the hand cannot reveal the answers with any accuracy. Not surprisingly, I never hear from them again.
I know they will go to others who will give them exactly what they want. These predictions can come true 50-70% of the time, the accuracy depending on the guesswork of the person who is doing the guessing.
I regularly get emails from people who are frightened out of their wits, asking me