Complex sentence: There she sank the German merchant ship "Olinda" on 3 September and intercepted the German merchantman "Carl Fritzen" and the passenger ship "Ussukuma" (with cruiser HMS "Cumberland") on 4 and 5 September, respectively.
Split into simpler sentences: There she sank the German merchant ship "Olinda" on 3 September. She intercepted the German merchantman "Carl Fritzen" and the passenger ship "Ussukuma" (with the cruiser HMS "Cumberland") on 4 and 5 September, respectively.