Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

When George Formby sang the lines: 'It may be sticky, but I never complain, I like to have a nibble at it now and again', to what was he ostensibly referring?
my little stick of blackpool rock

'Christmas won't be Christmas without any presents grumbled Jo,lying on lying on the rug.' Is the opening line of which famous novel?
little women

What is the name for a system of law based on Islamic principles?

sharia