Amy was very jealous of Emily's engagement so 
OPTIONS:
- Amy tried to ruin the engagement party.
- Emily tried to ruin the engagement party.
Amy tried to ruin the engagement party.

I gave my son a peanut butter sandwich instead of nutella as the 
OPTIONS:
- peanut butter is sweeter and unhealthier.
- nutella is sweeter and unhealthier.
nutella is sweeter and unhealthier.

Eric goes to the sea everyday unlike Kenneth because 
OPTIONS:
- Eric lives very close to the water.
- Kenneth lives very close to the water.
Eric lives very close to the water.