sentence: The hamster was happier in the cage than the box because the OPTIONS:
- box was larger.
- cage was larger.
complete: cage was larger.

sentence: Their relationship soured in the country, but rejuvenated in the city, since the OPTIONS:
- country was such an invigorating atmosphere for them.
- city was such an invigorating atmosphere for them.
complete: city was such an invigorating atmosphere for them.

sentence: Bob wanted to add insulation to the wall of his house, but the OPTIONS:
- wall was too thick.
- insulation was too thick.
complete:
insulation was too thick.