Complex sentence: Taco Cabana is an American fast casual restaurant chain specializing in Mexican cuisine and is a wholly owned subsidiary of Fiesta Restaurant Group, Inc. Taco Cabana is headquartered in San Antonio, Texas.
Split into simpler sentences: Taco Cabana is an American fast casual restaurant chain specializing in Mexican cuisine. A wholly owned subsidiary of Fiesta Restaurant Group, Inc, it is headquartered in San Antonio, Texas.