[Q]: How does the sentence end?

Lindsey had a lot less money to buy things compared to Elena and that is since 
OPTIONS:
- Lindsey is rich.
- Elena is rich.

[A]: Elena is rich.


[Q]: How does the sentence end?

Janine switched from selling cooper and silver necklaces to selling diamonds. The 
OPTIONS:
- diamonds are more expensive.
- necklaces are more expensive.

[A]: diamonds are more expensive.


[Q]: How does the sentence end?

Nick applied to braces to William's teeth, then 
OPTIONS:
- Nick reminded her to brush every day.
- William reminded her to brush every day.

[A]:
Nick reminded her to brush every day.