Complex sentence: United Supermarkets is a Lubbock, Texas based supermarket chain whose roots go back to 1916, when H.D. Snell opened his first United Cash Store in Sayre, Oklahoma.
Split into simpler sentences: United Supermarkets is a Lubbock, Texas based supermarket chain. United's roots go back to 1916, when H.D. Snell opened his first United Cash Store in Sayre, Oklahoma.