Complex sentence: The Bayardo Bar was crowded with people of all ages on Wednesday 13 August 1975 when shortly before closing time a stolen green Audi car, containing a three-man unit from the IRA's Belfast Brigade, pulled up outside.
Split into simpler sentences: The Bayardo Bar was crowded with people of all ages on Wednesday 13 August 1975. Shortly before closing time a stolen green Audi car, containing a three-man unit of the IRA's Belfast Brigade, pulled up outside.