Problem: Katrina taught Lindsey how to pick up girls because 
OPTIONS:
- Katrina was quite skilled at it.
- Lindsey was quite skilled at it.

My choice: Katrina was quite skilled at it.
[Q]: How does the sentence end?

Jan was glad to swap me her jewelry for my shoes. She thinks the 
OPTIONS:
- jewelry looks sexy on her.
- shoes looks sexy on her.

[A]: shoes looks sexy on her.
QUES: Continue writing.

So 

OPTIONS:
- Christine thinks men are great because Christine has had great experiences with them while Samantha didn't.
- Samantha thinks men are great because Christine has had great experiences with them while Samantha didn't.
+++++++++
ANS: Christine thinks men are great because Christine has had great experiences with them while Samantha didn't.
Problem: How does the sentence end?

Lindsey used their tough exterior to scare Monica, so 
OPTIONS:
- Lindsey would do things their way.
- Monica would do things their way.
Answer: Monica would do things their way.
sentence: Randy was able to get a tan more easily than Joel, and as a result,  OPTIONS:
- Randy needed to be on the beach more hours to tan.
- Joel needed to be on the beach more hours to tan.
complete: Joel needed to be on the beach more hours to tan.
Input: Continue writing.

Sarah was constantly feeling dizzy but not Betty because 
OPTIONS:
- Sarah did not have symptoms of vertigo.
- Betty did not have symptoms of vertigo.

Continued:
Betty did not have symptoms of vertigo.