Title: Swarm. Sentence 1: A swarm of bees swarmed onto a column on Fred's front post. Sentence 2: His neighbor suggested he call a professional to remove them safely. Sentence 3: Fred's dad was a bee farmer and he thought he could do it himself. Sentence 4: Fred's neighbor watched as the bees chased him around his yard.
When the mad bees started stinging everyone in town, Fred called 911.