Problem: How does the sentence end?

After Erin put a scarf on her neck, Katrina noticed how pretty it was. 
OPTIONS:
- Erin asked to try it on.
- Katrina asked to try it on.
Answer: Katrina asked to try it on.
sentence: Carrie was dealing with the death of their dog as where Amy had lost their cat,  OPTIONS:
- Carrie is a dog lover.
- Amy is a dog lover.
complete: Carrie is a dog lover.
Steven operated the gun in the sniper team and Justin held the binoculars because 
OPTIONS:
- Steven was the spotter.
- Justin was the spotter.
Justin was the spotter.
Input: Continue writing.

The wall took longer to paint than the ceiling because the 
OPTIONS:
- wall covered a greater area.
- ceiling covered a greater area.

Continued: wall covered a greater area.
Story needs to be completed:
Nelson was able to shoot the deer easily even though Ian was closer because 
OPTIONS:
- Nelson had good aim.
- Ian had good aim.

My choice:
Nelson had good aim.
Problem: How does the sentence end?

I wore a hat over my hair that day instead of a scarf since the 
OPTIONS:
- hat offered more protection.
- scarf offered more protection.
Answer:
hat offered more protection.