Problem: How does the sentence end?

Zelda could throw the javelin further than the shot put, because the 
OPTIONS:
- javelin was much lighter.
- shot put was much lighter.
Answer: javelin was much lighter.

Problem: How does the sentence end?

Samuel was unable to cook anything unlike Joel, since 
OPTIONS:
- Samuel was unskilled in the kitchen.
- Joel was unskilled in the kitchen.
Answer: Samuel was unskilled in the kitchen.

Problem: How does the sentence end?

Neil was able to buy the appliances cheaper than Aaron because 
OPTIONS:
- Neil had a coupon.
- Aaron had a coupon.
Answer: Neil had a coupon.

Problem: How does the sentence end?

Carrie asked a lot of demands from Rachel since 
OPTIONS:
- Carrie was pregnant and couldn't move.
- Rachel was pregnant and couldn't move.
Answer:
Carrie was pregnant and couldn't move.