[Q]: How does the sentence end?

The animals had lumps that were more dangerous than the zits, since the 
OPTIONS:
- lumps were smaller.
- zits were smaller.

[A]: zits were smaller.
QUES: Continue writing.

We needed to return the book we barrowed from the library, but the 

OPTIONS:
- library was not finished.
- book was not finished.
+++++++++
ANS: book was not finished.
Problem: How does the sentence end?

I want to work in emergency services. I could become a firefighter or a paramedic. The 
OPTIONS:
- firefighter is more nerve-wracking.
- paramedic is more nerve-wracking.
Answer: paramedic is more nerve-wracking.
sentence: Juan wanted to replace his car with a brand new motorcycle. Because the  OPTIONS:
- motorcycle was new.
- car was new.
complete: motorcycle was new.
Mohammad picked out a pair of snow boots that had velcro straps rather than laces, because he thought the 
OPTIONS:
- laces looked tacky.
- straps looked tacky.
laces looked tacky.
Problem: Continue the following story.

William has an easier time in their algebra class than Kevin because 
OPTIONS:
- William is really good with numbers.
- Kevin is really good with numbers.
Here's how I want to continue it:
William is really good with numbers.