Problem: How does the sentence end?

Erin thought the house was haunted but Natalie disagreed. 
Answer: Erin had long believed in ghosts and the paranormal.

Problem: How does the sentence end?

Rachel wrote a formal letter to Emily to thank them for the job, because 
Answer: Rachel preferred to be thoughtful.

Problem: How does the sentence end?

The boy tried to store the guitar in the case but the 
Answer: case was too small.

Problem: How does the sentence end?

The chronic acid reflux that Katrina had suffered from was relieved by Patricia, and 
Answer:
Patricia was glad to help.