Kevin would salt their meat before cooking while Craig used nothing, so
OPTIONS:
- Kevin made tastier dishes.
- Craig made tastier dishes.
Kevin made tastier dishes.

Christopher had a grumbling stomach but not Nelson because
OPTIONS:
- Christopher had had waited an extended time for lunch.
- Nelson had had waited an extended time for lunch.
Christopher had had waited an extended time for lunch.

She wasn't able to make enough space in the living room for the couch, because the
OPTIONS:
- living room was too small.
- couch was too small.
living room was too small.