Complex sentence: The National Broadcasting Company (NBC) is an American commercial broadcasting television network and radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago.
Split into simpler sentences: The National Broadcasting Company (NBC) is an American commercial broadcast television and radio network. It is headquartered in the GE Building in New York City's Rockefeller Center, with additional major offices near Los Angeles and in Chicago.