here are the rule yuo make up a senctnce to comple the line..
I.E:
the Queen...... -
.. catwhelled to the shops... - (response)
.....but hit a car on the way..... (this is wear it start)
and he turned to prince philip
so philip said 'how big is your sausage'
thats cheap
then suddleny a cow in a ballon flotad by....
Just popped by for the bbq
'Blimey!' said the Queen, 'that Weight Watchers was a waste of bloody money. Hows that balloon got up I don't know'.