Complex sentence: Alabama's 4th Congressional district is a collection of smaller to towns to mid-major cities north of Birmingham, the largest of which being Decatur and Gadsden, other cities include Cullman, Jasper, Russellville, Fort Payne, and Albertville.
Split into simpler sentences: Alabama's 4th Congressional district is a collection of smaller to towns to mid-major cities north of Birmingham, the largest being Decatur and Gadsden. Other cities in the district include Cullman, Jasper, Russellville, Fort Payne, and Albertville.