Problem: How does the sentence end?

Erin was older than Sarah, so
Answer: Sarah had a twitter to communicate with her friends rather than using mailed letters and the phone.

Problem: How does the sentence end?

Kenneth built a strong castle compared to Adam and
Answer: Adam was known for their fragile build.

Problem: How does the sentence end?

Having several bottles of high-priced perfume to choose from made Jason happy but not Donald because
Answer: Jason had expensive taste.

Problem: How does the sentence end?

Adam loved the outdoors while Kenneth preferred to stay inside, so
Answer:
Adam went on the camping trip.