Story needs to be completed:
We wanted to travel by cab rather than wait for the bus , but 
OPTIONS:
- cab proved to be more dependable for our journey.
- bus proved to be more dependable for our journey.

My choice:
bus proved to be more dependable for our journey.
Problem: Continue the following story.

Steven has trouble being around the depressed Nelson, because 
OPTIONS:
- Steven is never in a happy mood.
- Nelson is never in a happy mood.
Here's how I want to continue it: Nelson is never in a happy mood.
Problem: He used a red marker to color the paper until the 
OPTIONS:
- marker was completely dry.
- paper was completely dry.

My choice: marker was completely dry.
[Q]: How does the sentence end?

Laura wanted a child and Victoria does not, so 
OPTIONS:
- Laura started planning to get tubes tied after marriage.
- Victoria started planning to get tubes tied after marriage.

[A]: Victoria started planning to get tubes tied after marriage.
QUES: Continue writing.

The skin of William is much darker than Eric, which is because 

OPTIONS:
- William happens to be hispanic.
- Eric happens to be hispanic.
+++++++++
ANS: William happens to be hispanic.
QUES: Continue writing.

Randy used whatever dirty methods he had to interrupt Kyle from his concentration at work, because 

OPTIONS:
- Randy was jealous.
- Kyle was jealous.
+++++++++
ANS:
Randy was jealous.