Problem: Continue the following story.

Samantha was sneezing more than Lindsey when they were at the vet's office although 
Here's how I want to continue it: Lindsey was allergic to cat hair.

Problem: Continue the following story.

Dennis took months to write back to Kenneth's party invitation.  
Here's how I want to continue it: Kenneth was quite hurt.

Problem: Continue the following story.

The man tried to bring his trombone into the school but the 
Here's how I want to continue it:
trombone was too large.