Elena enjoyed watching the horror movie much more than Katrina, because 
OPTIONS:
- Elena disliked feeling scared.
- Katrina disliked feeling scared.
Katrina disliked feeling scared.

The fountain pen can not write smoothly on the paper because the 
OPTIONS:
- paper is too rough.
- fountain pen is too rough.
paper is too rough.

Things we take for granted, like walking and running, are easier for Robert than for Kyle because 
OPTIONS:
- Robert has two legs.
- Kyle has two legs.
Robert has two legs.