Complex sentence: Abderrahim Zitouna (born 20 December 1970) is a retired Moroccan long-distance runner who specialized in the 10,000 metres and cross-country running.
Split into simpler sentences: Abderrahim Zitouna (born 20 December 1970) is a retired Moroccan long-distance runner. He specialized in the 10,000 metres and cross-country running.