Problem: Doctor gave some medicine to Betty but gave none to Tanya as 
OPTIONS:
- Betty was showing none of the symptoms of illness.
- Tanya was showing none of the symptoms of illness.

My choice: Tanya was showing none of the symptoms of illness.
[Q]: How does the sentence end?

The store sold a frames that were made of a new type of wood and metal, but the 
OPTIONS:
- wood was prone to rust.
- metal was prone to rust.

[A]: metal was prone to rust.
QUES: Continue writing.

Leslie was unable to prepare for his exam like Ian was, since 

OPTIONS:
- Leslie was a very free person.
- Ian was a very free person.
+++++++++
ANS: Ian was a very free person.
Problem: How does the sentence end?

Ken tried to draw a design onto his stencil paper while using a pencil, but the paper ripped because the 
OPTIONS:
- pencil was too thin.
- paper was too thin.
Answer: paper was too thin.
sentence: Betty wasn't a successful businessman unlike Sarah because  OPTIONS:
- Betty hated trying to up sell customers.
- Sarah hated trying to up sell customers.
complete: Betty hated trying to up sell customers.
Input: Continue writing.

We decided to lease an apartment rather than a house, as the 
OPTIONS:
- apartment was conducive to our needs.
- house was conducive to our needs.

Continued:
apartment was conducive to our needs.