Emily knew how to cook many different recipes but Jessica did not, so
OPTIONS:
- Emily never had to worry about dinner.
- Jessica never had to worry about dinner.
Emily never had to worry about dinner.

Rachel is much more aggressive than Erin, so
OPTIONS:
- Rachel is also more active in a confrontation.
- Erin is also more active in a confrontation.
Rachel is also more active in a confrontation.

He lit a candle to help with the smell while he applied shoe polish to his boots, since the
OPTIONS:
- polish smelt awful.
- candle smelt awful.
polish smelt awful.