[Q]: How does the sentence end?

Adam fractured their hip bone when they fell down but Kenneth did not because 
OPTIONS:
- Adam has strong bones.
- Kenneth has strong bones.

[A]: Kenneth has strong bones.
QUES: Continue writing.

Sam was not able to use the humidifier and instead used nasal spray to soothe his nose congestion, because the 

OPTIONS:
- humidifier was clean.
- nasal spray was clean.
+++++++++
ANS: nasal spray was clean.
Problem: How does the sentence end?

I have displayed my awards on the mantle but had to move some of them to a case.  The 
OPTIONS:
- mantle was too full.
- case was too full.
Answer: mantle was too full.
sentence: we placed  cloths on the patches of the school uniform because the  OPTIONS:
- patches was exposing.
- cloths was exposing.
complete: patches was exposing.
She decided to learn to play the harp and the trumpet, as the 
OPTIONS:
- harp was so beautiful.
- trumpet was so beautiful.
harp was so beautiful.
Problem: Continue the following story.

It's easy for Betty to make new friends but difficult for Sarah as 
OPTIONS:
- Betty is an introvert.
- Sarah is an introvert.
Here's how I want to continue it:
Sarah is an introvert.