Right Gipp and destiny.

 

The 9h must be from 2 or 1 - there is only 1 entry to dummy - there's no possible way covering with the Qh can be a winning action.

 

Yet, surprisingly, many players did the reflex 'cover' action.

 

As our regular correspondent in post 4 says - 'very easy when you see the hands'. These cards are exactly what this correspondent saw. It must have been too easy  - because this correspondent covered with the Queen.