Nick had a smaller dog than Craig because 
OPTIONS:
- Nick fed their dog much more food.
- Craig fed their dog much more food.
Craig fed their dog much more food.

The bed could not be covered with the towel without exposing some part of it. The 
OPTIONS:
- bed is wide.
- towel is wide.
bed is wide.

Erin caught more fish than Jennifer , so 
OPTIONS:
- Erin was happy with their fishing trip.
- Jennifer was happy with their fishing trip.
Erin was happy with their fishing trip.