Sister Mary Ann, who worked for a home help agency, was out making her rounds visiting housebound patients when she ran out of petrol. As luck would have it, a Tesco filling station was just two streets away.
She walked to the garage to borrow a petrol can and buy some fuel. The attendant told her that the only petrol can he owned had been loaned out, but she could wait until it was returned. Since Sister Mary Ann was on the way to see a patient, she decided not to wait and walked back to her car.
She looked for something in her car that she could fill with petrol and spotted the bedpan she was taking to the patient. Always resourceful, Sister Mary Ann carried the bedpan to the garage, filled it with unleaded, and carried the full bedpan back to her car.
As she was pouring the fuel into her tank, two Baptists watched from across the street. One of them turned to the other and said,
'If it starts