[Q]: How does the sentence end?

Ben had symptoms of sweats and migraines. He found the 
OPTIONS:
- migraines worse because it was painful.
- sweats worse because it was painful.

[A]: migraines worse because it was painful.
QUES: Continue writing.

Having a hard time picking  major in college, Betty turned to the already declared Jennifer for advice because 

OPTIONS:
- Betty was indecisive.
- Jennifer was indecisive.
+++++++++
ANS: Betty was indecisive.
Problem: How does the sentence end?

The sand was filtered using the sift instead of the machine because the 
OPTIONS:
- sift was simple to use.
- machine was simple to use.
Answer: sift was simple to use.
sentence: I tried to fit my new picture with a nice border, but I couldn't because the  OPTIONS:
- picture was too narrow.
- border was too narrow.
complete: border was too narrow.
The shy man preferred a hat over a scarf, as the 
OPTIONS:
- hat was useful to cover his face.
- scarf was useful to cover his face.
hat was useful to cover his face.
Problem: Continue the following story.

Although he was 50, James wanted to go skiing with his boyfriend but he wasn't very fit. They chose surfing instead because the 
OPTIONS:
- surfing was harder.
- skiing was harder.
Here's how I want to continue it:
skiing was harder.