[NTG-context] item list: indent only first 2 or 3 lines

Hi, I would like to produce an item list like this: - bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla blaaa bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla blaaa bla bla bla bla bla bla bla bla bla or - bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla blaaa bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla blaaa bla bla bla bla bla bla bla bla bla How could I do this please? TIA for any help, -- Peter